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Harry Potter Timeline

A brief listing of all of the relevant dates and events mentioned in the books up through Deathly Hallows. Some information also comes from Fantastic Beasts and Where to Find Them and Quidditch Through the Ages, but this information is struck through and/or noted as some may not consider it strictly canon since it doesn't come from the narrative books. Each row represents a different day. Day of the week is given (if known), and any assumptions made are noted. Be aware that the timelines in the books are not necessarily consistent with actual calendar dates (particularly moon cycles).

Everything here comes from the American (Scholastic) versions of the books. The abbreviations should be obvious, but just in case: SS (Sorcerer's Stone, aka Philosopher's Stone), CoS (Chamber of Secrets), PoA (Prisoner of Azkaban), GoF (Goblet of Fire), OotP (Order of the Phoenix), HBP (Half-Blood Prince), DH (Deathly Hallows), FB (Fantastic Beasts and Where to Find Them), QTtA (Quidditch Through the Ages), DVD (comes from DVD timeline). The DVD listings help pin down some exact dates, but beware of discrepancies.

Timeline
Date	Event
?	Goblin lore says Godric Gryffindor stole his sword from Ragnuk the First [DH-25]; it's a myth [JKR interview].
993	Hogwarts founded [PoA-DVD].
?	Helena Ravenclaw steals her mother Rowena's tiara (diadem) [DH-31].
?	The Bloody Baron kills Helena when she refuses to return to her ailing mother, then kills himself in grief, wearing his ghostly chains in an act of penance. The diadem remains in a hollow tree in Albania [DH-31].
1289	International Warlock Convention [CoS-9].
late 13th century	Triwizard Tournament established [GoF-12].
1473	First Quidditch World Cup [QTtA-6].
Oct 31, 1492	Nearly Headless Nick dies [PoA-8, PoA-DVD].
1602	Right to carry a wand established [QTtA-6].
1620	The Noble Sport of Warlocks published [QTtA-6].
1631	Ministry of Magic decree preventing all magical beings other than wizards carrying a wand [JKR website].
1652	European Cup established [QTtA-8].
1666	Great Fire of London [JKR website].
1689	International Statute of Secrecy signed [DH-16]. Note this date conflicts with both Fantastic Beasts and Quidditch Through the Ages.
1692	International Confederation of Wizards summit meeting produces the International Statute of Wizarding Secrecy [FB, QTtA-5]. Note that this date conflicts with the one in [DH-16].
1709	Warlock's Convention of 1709 outlaws dragon breeding [SS-14].
1741	Dilys Derwent becomes Hogwarts Headmistress [OotP-22].
1750	Clause 73 inserted into International Code of Wizarding Secrecy [FB].
1750	Department of Magical Games and Sports formed [QTtA-6].
1762	Goblin Vargot dies in battle [JKR website].
1768	Dilys Derwent no longer Hogwarts Headmistress [OotP-22].
1794	First reported sighting of Acromantula [FB].
1798	Artemesia Lufkin becomes Minister of Magic (until 1811) [JKR website].
1811	Definitions of "beast" vs. "being" established [FB].
1811	Grogan Stump becomes Minister of Magic (until 1819) [JKR website].
1820	Cushioning Charm invented by Elliot Smethwyck [QTtA-9].
1824	Why I Didn't Die When the Augurey Cried published [FB].
1865	Faris "Spout-Hole" Spavin becomes Minister of Magic (until 1903) [JKR website].
1865	Gringotts left in goblin hands [JKR website].
1867	Newt Scamander born [FB].
1881	Summer. Albus Dumbledore born [DH-18, JKR website].
1890	Great Auntie Muriel (Weasley) born [DH-8].
1890's	Galatea Merrythought starts teaching at Hogwarts [HBP-20].
1891	Six year-old Ariana Dumbledore attacked by three Muggle boys, driving her mad [DH-28].
1891	Percival Dumbledore sent to Azkaban for attack on Muggles, where he later dies [DH-2,28].
1891	The Dumbledores move to Godric's Hollow after Percival's imprisonment, becoming neighbors of Bathilda Bagshot [DH-8]; an uncontrollable Ariana, barely seven years old, is kept out of sight the rest of her days [DH-11,28].
Sep 1, 1892	Next year. Albus Dumbledore and Elphias Doge start at Hogwarts [DH-2].
summer, 1893	By end of Albus' first school year. Albus establishes himself as a brilliant student; he decides he wishes to teach [DH-2].
Sep 1, 1895	Aberforth Dumbledore starts at Hogwarts [DH-2].
1898	16-year-old Gellert Grindelwald expelled from Durmstrang [DH-18].
summer, 1899	Just after Albus leaves Hogwarts (end of his seventh year) his mother Kendra dies [DH-2], not from an alleged backfiring charm [DH-18], but is accidentally killed by fourteen-year-old Ariana [DH-28].
summer, 1899	Next day. Seventeen-year-old Albus Dumbledore and Elphias Doge were to begin their year-long Grand Tour [DH-2,18].
summer, 1899	Same summer. Grindelwald goes to live in Godric's Hollow, befriending Albus Dumbledore [DH-18], seeking information on the Deathly Hallows [DH-35]. Albus concentrated on Grindelwald and neglected Ariana, according to Aberforth [DH-28].
1899	Two months later [DH-35], just before beginning of Aberforth's next school year. Albus' sister Ariana dies [DH-2,28] at the unknown hand of Albus, Aberforth, or Grindelwald; Grindelwald flees [DH-18,28].
1899	Aberforth breaks Albus' nose at Ariana's funeral [DH-8].
?	A young golden-haired Grindelwald [DH-14,17,18] steals the Elder Wand from Gregorovitch [DH-14,22], becoming its master [DH-36].
1907	Merope Gaunt born [HBP-10].
summer, 1917	Frank Bryce born (was about to turn 77) [GoF-1].
1918	Fantastic Beasts and Where to Find Them commissioned [FB].
Oct 4, 1920's	Minerva McGonagall born. JKR said that she is 70 in one of the interviews [ ? ].
1925	Morfin Gaunt attacks Tom Riddle senior in the early morning hours. Bob Ogden visits the Gaunts' hovel outside Little Hangleton; Marvolo shows him his Peverell ring and Slytherin's locket (worn by Merope). Tom Riddle senior rides by with his girlfriend. Marvolo and Morfin Gaunt arrested [HBP-10].
Sep 14, 1925	Marvolo Gaunt sentenced to six months in Azkaban; Morfin Gaunt gets three years [HBP-10].
late 1925	Tom Riddle senior (under influence of a love potion) marries 18-year-old Merope Gaunt [HBP-10].
first half, 1926	Merope Riddle stops using love potion on her husband and he leaves her after discovering she is a witch [GoF-33, HBP-10].
1926	Marvolo Gaunt released from Azkaban; he dies sometime before Morfin Gaunt gets out [HBP-10].
1926	Cleansweep Broom Company established [QTtA-9].
Dec, 1926	Just before Christmas. Merope sells Slytherin's locket to Caractacus Burke for ten Galleons [HBP-13].
Dec 31, 1926	A bitter cold New Year's Eve night. Tom Marvolo Riddle is born in the orphanage; Merope Riddle dies shortly after naming him [HBP-10,13, JKR website].
1927	Fantastic Beasts and Where to Find Them published [FB].
Dec 6, 1928	Rubeus Hagrid is born (year based on Hagrid's year explanation below) [JKR website].
1929	Comet Trading Company established [QTtA-9].
1930's	Minerva McGonagall begins at Hogwarts. Exact year is unknown; JKR said that she is 70 in one of the interviews [ ? ]. So she may have been at school for at least some of Voldemort's years.
1931	Hagrid's mother (Fridwulfa) leaves him and his father [GoF-23].
1932	Ilfracombe Incident (dragon attack on Muggles) [FB].
1938	Dumbledore visits an 11-year old Tom Riddle at the orphanage [HBP-13].
Sep 1, 1938	Tom Marvolo Riddle (Voldemort) starts at Hogwarts [see Notes below for explanation]; he begins calling himself Lord Voldemort "within a few short years" [HBP-13].
Sep 1, 1940	Rubeus Hagrid starts at Hogwarts [see Notes below for explanation].
1941-1942	Hagrid's father dies during his second year [GoF-24].
Jun 13, 1943	Myrtle found dead in the bathroom by Olive Hornby [CoS-13, GoF-25]. The CoS, PoA, and GoF DVDs place this event in 1942. Her death is used to create the diary Horcrux [Bloomsbury chat].
Jun, 1943	Aragog chased out of Hogwarts and Hagrid expelled [SS-4, CoS-13].
summer, 1943	16-year-old Voldemort visits Morfin Gaunt, stuns him, and borrows his wand [HBP-17]. Tom Riddle Sr. (Tom Marvolo Riddle's father) and his parents are murdered; Frank Bryce is blamed, though not charged due to lack of evidence. Frank claims he saw a pale, dark-haired teenage boy near the house on the day of the murders [GoF-1, HBP-17]. Riddle steals Morfin's ring and implants a false memory [HBP-17]. Riddle, Sr's death is used to create the ring Horcrux [Bloomsbury chat].
summer, 1943	Morfin is sent to Azkaban for the murders and dies there (but not before Dumbledore retrieves his memory a few weeks before his death) [HBP-17].
1943	Voldemort already knew how to make a Horcrux even before meeting with Slughorn, according to Dumbledore [DH-6].
last half, 1943	11pm. Sixth-year prefect Tom Riddle, now wearing Marvolo's Peverell ring, visits with Professor Slughorn and discusses Horcruxes [HBP-17,23].
Sep 1, 1944	Tom Marvolo Riddle (Voldemort) starts final year at Hogwarts [extrapolated from first year].
1945	Dumbledore defeats Grindelwald [SS-6], becoming the Elder Wand's master [DH-36]; Grindelwald is imprisoned in Nurmengard [DH-18].
1945	Harry speculates Voldemort may have sought the Ravenclaw diadem after leaving school, but before beginning at Borgin and Burkes [DH-31]. An Albanian peasant's death is used to create the diadem Horcrux [Bloomsbury chat].
1945	Voldemort goes to work at Borgin and Burkes [HBP-20].
?	Voldemort visits Hepzibah Smith to buy goblin-made armor, and is shown Hufflepuff's cup and Slytherin's locket [HBP-20].
?	Two days later. Hepzibah Smith dies from drinking poisoned cocoa [HBP-20]. Her death is used to create the cup Horcrux; a Muggle tramp's death is used to create the locket Horcrux [Bloomsbury chat].
?	Voldemort resigns from Borgin and Burkes and vanishes [HBP-20].
?	Hokey the house-elf is convicted of her mistress's "accidental" death [HBP-20].
1947	Werewolf Register created by Newt Scamander [FB].
late 1940's	The Half-Blood Prince's potions books printed [HBP-16].
1952	Quidditch Through the Ages published [FB].
1955	Narcissa Black is born [Daily Telegraph article photo].
Dec, 1956	Minerva McGonagall begins teaching at Hogwarts [OotP-15].
Sep/Oct, 1959	Sirius Black is born. Sirius was 22 when he was carted off to Azkaban in early Nov, 1981 [JKR website]. For him to be in James' year, rather than the year before, he would had to have just missed the age cutoff limit, similar to Hermione, making him the oldest Marauder.
Jan 9, 1960	Severus Snape is born [JKR website].
Jan 30, 1960	Lily Evans is born [DH-16].
Mar 10, 1960	Remus Lupin is born [JKR website].
Mar 27, 1960	James Potter is born [DH-16].
1960's	Remus Lupin bitten by werewolf at a very young age [PoA-18].
1960's-1970's	Albus Dumbledore becomes Hogwarts Headmaster sometime before Remus begins school [PoA-18], replacing Armando Dippet [OotP-22].
?	Snowy night. Ten years after Voldemort murders and robs Hepzibah Smith. By now Dumbledore has been offered the post of Minister of Magic three times. Voldemort has started to undergo his transformations and his followers have become known as 'Death Eaters'. Dumbledore has become Hogwarts headmaster [HBP-20]. Voldemort likely hides the Ravenclaw tiara Horcrux in the Room of Requirement during his visit [DH-31]. Voldemort sees Dumbledore about the open DADA position; Dumbledore refuses him. DADA position is cursed from now on [HBP-20].
1962	Nobby Leach becomes Minister of Magic (until 1968) [JKR website].
1963	The Philosophy of the Mundane: Why the Muggles Prefer Not to Know published [FB].
1965	Ban on Experimental Breeding passed [FB].
Sep 1, 1965	Lucius Malfoy starts at Hogwarts [extrapolated from age in OotP-15].
1967	Nimbus Racing Broom Company established [QTtA-9].
Sep 1, 1968	Bertha Jorkins starts at Hogwarts (was a few years ahead of James and Sirius) [GoF-19].
1969-1970	Nine or ten-year-old Snape spies on Lily and Petunia Evans; he tells Lily she's a witch, much to Petunia's chagrin [DH-33].
1970	Voldemort begins his ascension [SS-1].
Nov 29, 1970	Bill Weasley is born (since his birthday is November 29, and no one starts Hogwarts before they're eleven according to Jo's website, this sets his year firmly) [JKR website].
1970-1971	Shortly before they begin school. Snape explains the Hogwarts letters to Lily, and mentions Azkaban; Petunia is eavesdropping [DH-33].
1971	The Shrieking Shack is built and Whomping Willow planted to accommodate Remus Lupin coming to Hogwarts [PoA-18].
Sep 1, 1971	James Potter, the rest of the Marauders, Lily, and Snape start at Hogwarts [DH-16]. Petunia is jealous of Lily leaving for Hogwarts; her letter asking to be admitted has been politely declined. Snape encounters James and Sirius on Hogwarts Express. MWPP, Lily, and Snape are sorted; prefect Lucius Malfoy welcomes Snape to Slytherin House [DH-33].
Dec 12, 1972	Charlie Weasley is born [JKR website].
1972 or 1973	James, Sirius, and Peter start trying to become Animagi (it took 3 years) [PoA-18].
1973	Appeal against House-Elf Slavery defeated [JKR website].
1975	Regulus Black becomes enamored with Voldemort and his Death Eaters; he begins saving press clippings [DH-10].
1975-1976	James, Sirius, and Peter finally manage to successfully become Animagi in their fifth year [PoA-18].
1975-1976	16-year-old Sirius sends Snape to meet Remus Lupin in werewolf form as a joke; James saves Snape's life by stopping him just after Snape sees Lupin; Snape resents it [PoA-21, DH-33].
1975-1976	A few days later. Lily doesn't like the company Snape keeps (Avery, Mulciber) or their Dark Magic. Snape tells Lily James fancies her [DH-33].
Jun, 1976	Snape hung upside down by James; Snape calls Lily a "Mudblood" [OotP-28, DH-33]. Snape apologizes to Lily for the insult [DH-33].
1976	16-year-old Sirius runs away from home and stays with James Potter's family for a summer, then gets his own place once he turns 17, using gold left to him by Uncle Alphard [OotP-6].
Aug 22, 1976	Percy Weasley is born [JKR website].
1977-1978	James and Lily start dating in their seventh year [OotP-29].
Apr 1, 1978	Fred and George Weasley are born [JKR website].
Jun, 1978	James Potter leaves Hogwarts at end of his seventh year [extrapolated from when he started school].
1978	16-year old Regulus Black joins the Death Eaters [DH-10].
1979	A year after Regulus joins the Death Eaters. Regulus orders Kreacher to obey the Dark Lord, then return. In the cave Kreacher drinks the basin's potion; Voldemort places his locket in the basin, refills it, and leaves. Kreacher Disapparates back home, where he is told to hide by Regulus [DH-10].
1979	Sirius' brother Regulus Black, a wanna-be Death Eater, is killed (allegedly by one of Voldemort's followers when he tries to quit) [OotP-6], only a few days after he goes into hiding, according to Lupin [HBP-6]. Regulus returns with Kreacher to Voldemort's cave. He orders Kreacher to switch the lockets, leave, and not tell his family what happened. Regulus drinks the potion. Kreacher fails to destroy the locket [DH-10].
Sep 19, 1979	Hermione Granger is born; this makes her the oldest of the Trio [PoA-4, JKR website].
Oct 31, 1979	Halloween. Harry Potter is conceived (assuming exactly nine month pregnancy) [extrapolated from his birth date].
Mar 1, 1980	Ron Weasley is born [JKR website, Comic Relief interview].
Jun 5, 1980	Draco Malfoy is born [JKR website, Daily Telegraph article photo].
Jun, 1980	Dudley Dursley is born (sometime before beginning of summer break; Harry is approximately Dudley's age, according to Uncle Vernon) [SS-1,3]. Dudley is a month older than Harry [HBP-3].
Jun, 1980	Sibyll Trelawney makes her prediction to Albus Dumbledore at the Hog's Head Inn "shortly before [Harry's] birth" (assuming that Dumbledore meant exactly sixteen years ago, though it was a "cold, wet night", and so may actually be earlier in the year) [OotP-37].
?	Snape has told Voldemort all he knows of the Prophecy. Snape informs Dumbledore Voldy is targeting Lily. Snape asks Lily be spared; he only cares about her [DH-33].
Jul 30, 1980	Neville Longbottom is born [JKR website].
Jul 31, 1980	Harry Potter is born [JKR website, PoA DVD].
Sep 1, 1980	Trelawney begins teaching at Hogwarts (she's been at it for "nearly sixteen years") [OotP-15]. Snape possibly begins teaching at Hogwarts [see Notes below for explanation].
1980	Millicent Bagnold becomes Minister of Magic (until 1990) [JKR website].
1980	Igor Karkaroff caught by Ministry and imprisoned in Azkaban sometime before Rosier and Wilkes are killed [GoF-30].
1980	Antonin Dolohov caught by Ministry and imprisoned in Azkaban (was caught after Karkaroff) [GoF-30].
1980	Evan Rosier and Wilkes killed (Rosier by Moody) [GoF-30], a year before Voldemort vanished [GoF-27].
1980	Peter Pettigrew begins passing information to Voldemort, according to Sirius, a year before James and Lily died [PoA-19]. Date is unknown; may be before or after Moody kills Rosier.
Jul 31, 1981	Harry's 1st Birthday. Sirius gets him a toy broom [DH-10].
Aug 11, 1981	Ginny Weasley is born [JKR website].
?	Voldemort gives his Horcrux diary to Lucius shortly before vanishing [HBP-23].
Oct 24, 1981	Fidelius Charm performed to try to protect the Potters (barely a week before they are killed) [PoA-10].
Oct, 1981	Weekend. Wormtail visits James and Lily; he seems "down". News of the McKinnon's deaths known [DH-10].
Oct, 1981	A few days before James and Lily die. James gives Dumbledore his Cloak [DH-35].
Oct, 1981	Lily writes letter to Sirius. James and Lily shut in their house. Lily complains that Dumbledore still has James' Cloak [DH-10].
Oct 31, 1981	Halloween night [SS-4, DH-17]. James and Lily Potter murdered by Voldemort; Voldemort becomes disembodied [SS-1,4]. Hagrid rescues Harry from the rubble and borrows Sirius' bike [SS-4, PoA-10, GoF DVD]. In his office Dumbledore informs Snape Lily is dead (Harry is the only survivor); he reminds Snape of Lily's eyes. Snape agrees to protect Lily's son; Dumbledore is to never tell anyone, especially not Harry [DH-33].
Nov, 1981	Tuesday (next day). Vernon goes to work but doesn't see owls flying around. Dursleys go to bed as a cat (McGonagall) sits out on their front wall [SS-1].
Nov, 1981	Next day, very early a.m.. Harry Potter is delivered to his Aunt's house, where he will be discovered by Aunt Petunia a few hours later [SS-1]. During the day Peter Pettigrew vanishes and Sirius Black is captured by Fudge, et al. (I assume this didn't occur the day before as neither McGonagall nor Dumbledore mention it when they meet on Privet Drive) [PoA-10].
Nov 5, 1981	Bonfire Night (Guy Fawkes day) [SS-1].
?	Voldemort's disembodied spirit flees to a forest in Albania and waits for a faithful servant to find him to return him to a body, but none come until Quirrell finds him [GoF-33].
?	Igor Karkaroff gives info on fellow DEs after Voldemort's downfall to get himself out of Azkaban [GoF-30].
?	Ludo Bagman, tried after Karkaroff, confirms that Augustus Rookwood was passing info to Voldemort [GoF-30].
?	Barty Crouch, Jr., Rodolphus and Bellatrix Lestrange, and Rabastan Lestrange [OotP-6] tried for torture of Frank and Alice Longbottom [GoF-30].
1982	Aberforth Dumbledore convicted of misuse of magic on goats [DH-2].
Sep 1, 1982	Bill Weasley starts at Hogwarts [see Notes below for explanation].
?	Mrs. Crouch switches places with her son, Barty, in Azkaban [GoF-35], a year after his incarceration [GoF-27,30].
Sep 1, 1984	Charlie Weasley starts at Hogwarts [see Notes below for explanation].
1985	Sirius Black's mother dies and twelve Grimmauld Place lies empty, except for Kreacher, for nearly a decade [OotP-5].
Jun, 1985	Dudley's fifth Birthday. Aunt Marge uses her walking stick to stop Harry beating Dudley at musical statues [PoA-2].
Jun, 1985	Gryffindor wins House cup for last time before a six year drought ('84-'85 school year) [SS-13].
1986	Last time Dursleys give Harry pocket money [CoS-5].
Jun, 1986	Slytherin begins its 6-year winning streak for the House Cup ('85-'86 through '90-'91 school years) [SS-17, CoS-5].
1987	Home Life and Social Habits of British Muggles published [FB].
Jun, 1987	Gryffindor wins Quidditch cup for last time before a seven year drought ('86-'87 school year) [PoA-8,12].
Sep 1, 1987	Percy Weasley starts at Hogwarts [extrapolated from years at school].
Dec 25, 1988	Christmas. A "few years" after Dudley's fifth birthday party. Aunt Marge gives Dudley a toy robot; Harry gets dog biscuits [PoA-2].
Sep 1, 1989	Fred and George Weasley start at Hogwarts [extrapolated from years at school].
1989	Fred and George nick Marauder's Map from Filch's office during their first year at school [PoA-10].
1990	Quirrell takes a year off (presumably from teaching) to get some first-hand experience [SS-4] and encounters Voldemort on his travels [SS-17].
1990	Cornelius Fudge elected Minister of Magic (until 1996) [OotP-10, JKR website].
Jun, 1990	The year before Harry starts at Hogwarts. Aunt Marge's dog Ripper chases Harry up a tree [PoA-2].
Jul 31, 1990	Harry's 10th Birthday. Harry gets a coat hanger and a pair of Uncle Vernon's old socks [SS-3].
Sorcerer's Stone (Philosopher's Stone)
Jun 24, 1991	Saturday. Dudley's 11th Birthday. Harry, Dudley, and Piers Polkiss go to zoo; Harry accidentally sets a boa constrictor free [SS-2]. Exact date from "month-old video camera" in Dudley's second bedroom [SS-3].
summer, 1991	Percy receives Hermes for becoming a prefect [SS-6, CoS-3]; Ron inherits Scabbers [SS-6].
Jul 23, 1991	Monday [extrapolated]. Dudley tries on his new Smeltings uniform [SS-3].
Jul 24, 1991	Tuesday [extrapolated] (next day). Aunt Petunia dyes Harry's school uniform. Harry receives his first letter and nearly gets it open when Uncle Vernon snatches it from him. Harry is moved to the upstairs bedroom (Dudley's former toy room) [SS-3, PoA DVD].
Jul 25, 1991	Wednesday [extrapolated] (next day). Dudley retrieves Harry's next letter and he, Harry, and Uncle Vernon fight over it [SS-3].
Jul 26, 1991	Thursday [extrapolated] (next day). Harry treads on Uncle Vernon trying to get out to the postman to get his letters; Vernon stays home that day to destroy the three letters that arrive [SS-3].
Jul 27, 1991	Friday (next day). Twelve Hogwarts letters arrive for Harry [SS-3].
Jul 28, 1991	Saturday (next day). Twenty four Hogwarts letters arrive for Harry, hidden inside eggs [SS-3].
Jul 29, 1991	Sunday (next day). Thirty to forty Hogwarts letters for Harry fly down the chimney, prompting Vernon to pack the car and leave [SS-3].
Jul 30, 1991	Monday (next day). Staying at Railview hotel in Cokeworth, Harry receives about 100 Hogwarts letters [SS-3].
Jul 31, 1991	Tuesday (next day). Harry's 11th Birthday. Rubeus Hagrid delivers Hogwarts letter to Harry just after midnight on his eleventh birthday [SS-4] and then escorts him to Diagon Alley that morning. Harry meets Professor Quirrell and shakes his hand. Harry gets Hedwig and learns his wand shares the same core as Voldemort's [SS-5]. There is an attempted break-in at Gringotts, but nothing is stolen as the vault had been emptied earlier in the day [SS-8, PoA DVD].
Aug, 1991	Voldemort inhabits Quirrell's body shortly after he fails to steal the Philosopher's Stone from Gringotts [SS-17].
Sep 1, 1991	Harry takes the Hogwarts Express along with Ron Weasley and Hermione Granger to school for the first time [SS-6]. HRH sorted into Gryffindor. Seamus is a half-blood [SS-7, PoA DVD].
Sep 2, 1991	Next day. Harry and Ron caught by Filch accidentally trying to open Fluffy's door [SS-8].
early Sep, 1991	First week of school. Fred and George find secret passage out of Hogwarts behind statue of Gregory the Smarmy [SS-9].
Sep, 1991	Wednesday. Midnight Astronomy [SS-8].
Sep, 1991	Thursday. Transfiguration. Defense Against the Dark Arts; students notice funny smell coming from Quirrell's turban [SS-8].
Sep, 1991	Friday (next day). Double Potions (only lasts an hour) with Slytherins. Snape quizzes Harry. Seamus takes Neville to hospital wing. 3pm: Ron meets Hagrid. Harry reads story about Gringotts break-in [SS-8]. The GoF DVD places this in Sep 7, but if Sep 1 is a Sunday (it always seems to be), then the DVD is wrong as it took place the end of Harry's first week.
Sep, 1991	Snape gives his opinion on Harry to Dumbledore; Dumbledore tells Snape to keep an eye on Quirrell [DH-33].
Sep, 1991	Thursday (next week). Neville gets his Remembrall. First flying lesson at 3:30pm. Neville breaks his wrist. Harry catches Remembrall and becomes Gryffindor Seeker. Draco challenges Harry to a Wizards' duel [SS-9].
Sep, 1991	Friday (next day), very early a.m. HRH and Neville run into Peeves, then Filch, then Fluffy [SS-9]. The PoA DVD puts this as Sep 7, but it can't be if they arrive on the first and start classes Monday the second (the seventh would be a Saturday).
Sep, 1991	Next week. Harry gets his Nimbus; Hermione no longer speaking to Harry or Ron. First Quidditch practice that evening [SS-10].
Oct 31, 1991	Halloween. Charms that morning (Wingardium Leviosa). Harry and Ron rescue Hermione from troll [SS-10, PoA DVD].
early Nov, 1991	Hermione lends Quidditch Through the Ages to Harry [SS-11].
Nov 9, 1991	First Quidditch match vs. Slytherin [SS-11]. Quirrell tries to throw Harry from his broom, but Snape saves him [SS-17]. Hagrid lets slip Nicolas Flamel's name [SS-11, PoA DVD].
early Dec, 1991	HRH begin searching library for Flamel (had been looking for two weeks before start of Christmas break) [SS-12].
mid Dec, 1991	Two days before Christmas break. Potions in morning. Christmas decorations go up [SS-12].
Dec 25, 1991	Christmas. Harry gets his father's old Invisibility Cloak back and encounters the Mirror of Erised and sees his parents [SS-12, PoA DVD]. The Cloak is one of the Hallows, handed down through the Peverell line [DH-35].
Dec 26, 1991	Next night. Harry and Ron visit Mirror of Erised; they're almost caught by Mrs. Norris [SS-12].
Dec 27, 1991	Next night. Harry visits Mirror of Erised for third time and encounters Dumbledore [SS-12].
Dec, 1991	Next day. Mirror of Erised moved [SS-12].
early Jan, 1992	Day before start of term. Hermione returns to school [SS-13].
Jan, 1992	Harry learns Snape will be refereeing next match. Neville and Leg-Locker curse; Harry finds Flamel [SS-13].
Jan, 1992	Next day. Defense Against the Dark Arts in the morning (werewolf bites) [SS-13].
Feb, 1992	Quidditch: Gryffindor vs. Hufflepuff. Harry catches Snitch in record time. Harry overhears Snape and Quirrell in the forest [SS-13].
Mar, 1992	Hermione draws up study schedules; exams are ten weeks away [SS-14].
Apr, 1992	Studying during Easter holidays [SS-14].
Apr, 1992	Hagrid wins a dragon egg in a card game [SS-14].
Apr, 1992	Next day. HRH discuss the protections guarding the Philosopher's Stone with Hagrid and see the dragon egg [SS-14].
Apr/May, 1992	Herbology in the morning. HRH watch Norbert hatch at Hagrid's [SS-14].
May, 1992	Wednesday. Second week after Norbert's hatching; Ron is bitten [SS-14].
May, 1992	Thursday (next day), early a.m. Charlie's return letter arrives. Later that day, Ron goes to hospital for infected bite. Draco takes book with Charlie's note in it [SS-14].
May, 1992	Saturday (following Saturday). Nearing midnight. Harry and Hermione sneak Norbert to tallest tower. Charlie's friends whisk Norbert away. Harry and Hermione caught coming down tower without Invisibility Cloak [SS-14].
May, 1992	Sunday (next day), very early a.m. Harry, Hermione, Neville, and Draco lose points (50 each for HHN) for being out of bounds after curfew and are given detention [SS-15].
late May, 1992	A week before exams begin. Harry overhears Quirrell cowering from someone's punishment; Harry incorrectly assumes it is from Snape [SS-15].
late May, 1992	Next day. 11pm. HHN and Draco go to Hagrid's for detention [SS-15].
late May, 1992	Very early next day. Harry and Draco encounter Voldemort in Forbidden Forest. HRH talk until morning light and Harry gets his Invisibility Cloak back [SS-15].
Jun 4, 1992	Last day of exams (History of Magic). See owl flying to castle (likely Quirrell's owl to Dumbledore). HRH see Hagrid about dragon egg. HRH go to see Dumbledore, but he's already gone to Ministry of Magic. Dinner. Nighttime; Lee Jordan finally goes to bed. HRH try to sneak out, but are caught by Neville. Encounter Peeves. HRH go down through trapdoor and through seven puzzles (Fluffy, Devil's Snare, flying keys, chessboard, unconscious troll, potions, Mirror of Erised) [SS-16]. Harry encounters Quirrell (and Voldemort) standing before Mirror of Erised and fights him over the Philosopher's Stone by touching his skin [SS-17, PoA DVD].
early Jun, 1992	Gryffindor is steamrollered by Ravenclaw in the last Quidditch match of the year [SS-17]; their worst loss in 300 years [CoS-7].
early Jun, 1992	Three days after fight with Quirrell, Harry wakes in hospital wing and is visited by Dumbledore and Ron and Hermione [SS-17].
Jun 8, 1992	Next day. Hagrid visits Harry in the hospital. End-of-year feast [SS-17, PoA DVD].
Jun, 1992	Voldemort flees back to Albanian forest to wait once more [GoF-33].
Chamber of Secrets
Jul 31, 1992	Harry's 12th Birthday. Two green eyes appear in hedge at Privet Drive [CoS-1]. Masons come for dinner. Dobby visits Harry and drops pudding on floor. Harry is blamed and receives warning for Hover Charm [CoS-2, PoA DVD].
Aug 1, 1992	Next day. Bars are put on Harry's window and a cat flap is installed on the locked door to Harry's bedroom [CoS-2].
Aug 3, 1992	Percy gets his O.W.L. results the day before Harry arrives [CoS-4].
Aug 4, 1992	Next day. Ron, Fred, and George break Harry out and take him to the Burrow in flying Ford Anglia. Harry, et al. de-gnome the garden [CoS-3]. According to the PoA and GoF DVDs this occurs on August 3, but the book puts it as "Three days later" (after Vernon put the bars on Harry's window).
Aug 11, 1992	A week after Harry arrives at the Burrow, they get their letters from Hogwarts and one from Hermione [CoS-4]. Ginny's 11th birthday isn't mentioned in the book.
Aug 19, 1992	Wednesday. Harry uses Floo powder for the first time and ends up in Knockturn Alley. Harry hides in the Vanishing Cabinet and sees the Hand of Glory while Lucius Malfoy sells illegal items. Harry meets Gilderoy Lockhart in Diagon Alley. Mr. Weasley attacks Lucius in Flourish and Blotts [CoS-4]. Lucius likely places Riddle's diary in Ginny's cauldron at Flourish and Blotts [CoS-18, PoA DVD].
Sep 1, 1992	Harry, et al. drive to King's Cross station in Ford Anglia (doubling back three times for fireworks, a broomstick, and Ginny's (Riddle's) diary). Ron and Harry can't pass through the barrier and so fly the Ford Anglia back to school and crash into Whomping Willow. Ron and Harry are not expelled, but get detentions instead [CoS-5, PoA DVD].
Sep 2, 1992	Next day. Ron gets a Howler. Double Herbology (HRH repot Mandrakes and Harry meets Justin Finch-Fletchley, a Muggle-born) and Transfiguration (beetles into buttons) in morning. Harry meets Colin Creevey. Defense Against the Dark Arts in afternoon (Cornish pixies wreak havoc) [CoS-6, PoA DVD]. The PoA and GoF DVDs put HRH's first class with Lockhart on the third, but it all occurs on one day in the book.
Sep, 1992	Friday. Charms in morning [CoS-7].
Sep, 1992	Next day. First Saturday at beginning of term. Early morning Quidditch practice. Colin Creevey bugs Harry. Slytherin gets Malfoy as a Seeker and new brooms. Ron's slug curse backfires and Harry learns about Mudbloods. Harry hears voice that night for first time in detention with Lockhart [CoS-7, PoA DVD]. If September 1 is a Sunday (it always seems to be), then the Sep 5 date the PoA-DVD lists is wrong.
Sep 19, 1992	According to the CoS DVD Hermione turns 12, but Jo has said that Hermione was 11 when she started Hogwarts, and so would be 13 this year. The GoF DVD corrects this.
early Oct, 1992	Ginny looking pale; receives Pepperup potion [CoS-8].
late Oct, 1992	Peeves smashes Vanishing Cabinet. Harry discovers Filch is a Squib. Harry agrees to attend Sir Nick's Deathday party [CoS-8].
Oct 31, 1992	Halloween. HRH attend Deathday party and meet Moaning Myrtle. Harry hears voice again and follows it to a petrified Mrs. Norris and a message about the Chamber of Secrets being open [CoS-8,9].
early Nov, 1992	Wednesday. Potions in morning (scrape tubeworms off desks). History of Magic in afternoon (Professor Binns talks about the Chamber of Secrets). HRH investigate scene of the crime and see spiders; Ron is terrified of them. Ginny is very upset. Hermione explains Polyjuice Potion [CoS-9].
Nov, 1992	Friday. Defense Against the Dark Arts (Harry does werewolf impression for Lockhart). Hermione gets Lockhart's signature and checks out Moste Potente Potions [CoS-10].
Nov, 1992	Saturday (next day). Quidditch: Gryffindor vs. Slytherin. Bludger breaks Harry's arm and Lockhart vanishes his bones. Dobby visits Harry in hospital and confesses to blocking the barrier and the rogue Bludger. Dobby explains how to free a house-elf. A petrified Colin Creevey is brought to the hospital [CoS-10].
Nov, 1992	Sunday (next day). Ron and Hermione start Polyjuice Potion. Harry gets out of hospital [CoS-11].
Dec, 1992	Second week of the month. McGonagall collects names of those staying for Christmas [CoS-11].
Dec 10, 1992	Thursday. Double Potions in afternoon (Swelling Solution). Hermione steals Polyjuice ingredients from Snape's office [CoS-11, PoA DVD].
Dec 17, 1992	Next Thursday. Dueling Club. Harry speaks Parseltongue and stops snake from attacking Justin Finch-Fletchley [CoS-11, PoA DVD].
Dec 18, 1992	Friday (next day). Herbology cancelled. Harry looks for Justin Finch-Fletchley in library, runs into Hagrid who is carrying a dead rooster, and runs into a Petrified Sir Nick and Finch-Fletchley. Harry taken to Dumbledore's office [CoS-11]. Harry asks Sorting Hat if it put him in the right house. Fawkes bursts into flames and Dumbledore tells Harry about phoenixes [CoS-12, PoA DVD].
Dec 25, 1992	Christmas. Harry and Ron Polyjuice into Goyle and Crabbe; Hermione is partly turned into a cat [CoS-12, GoF DVD].
winter	Secret passage behind mirror on fourth floor caves in during the winter [PoA-10].
Jan, 1993	Harry and Ron find diary in Moaning Myrtle's bathroom [CoS-13].
early Feb, 1993	Hermione out of hospital [CoS-13].
early Feb, 1993	Next day. HRH visit trophy room [CoS-13].
Feb 14, 1993	Valentine's Day. Harry gets a Valentine from Ginny. Charms in the afternoon. Diary remains unstained by spilled ink. Harry transports into diary memory of June 13, 1943 and sees Tom Riddle catch Hagrid with Aragog [CoS-13].
Mar-Apr, 1993	Easter Holidays. Harry, et al. pick new subjects for third year [CoS-14].
Mar-Apr, 1993	Friday. Riddle's diary stolen from Harry [CoS-14].
early Apr, 1993	Saturday (next day). Quidditch: Gryffindor vs. Hufflepuff. Harry hears voice again and Hermione realizes where it is coming from. Quidditch is cancelled. Harry and Ron see Petrified Hermione and Penelope Clearwater. Harry and Ron visit Hagrid. Hagrid is arrested; Dumbledore suspended. Hagrid tells Harry to visit the spiders. Hagrid sent to Azkaban [CoS-14] for two months [PoA-3]. The PoA and GoF DVDs put Hagrid's incarceration on May 8, which would mean Hagrid spent less than one month in Azkaban. I went with the PoA-3 reference instead.
May 24, 1993	Potions. Herbology (Abyssinian Shrivelfigs). Defense Against the Dark Arts. [CoS-15]
May 25, 1993	Next day, very early a.m. Harry and Ron visit Aragog and are saved by the Ford Anglia. Hagrid was innocent and Moaning Myrtle was the one killed the last time the Chamber was opened [CoS-15, PoA DVD]. Transfiguration (later that morning). One week before exams are supposed to begin [CoS-16].
May 29, 1993	Three days before exams. Ginny tries to tell Harry and Ron something. Mandrakes are ready; Harry and Ron visit Hermione in hospital for last time and find note in her hand. Ginny is taken into the Chamber. Harry and Ron take Lockhart into Chamber after sunset; Lockhart's Memory Charm backfires [CoS-16]. Harry meets Tom Riddle and learns he is Voldemort. Harry kills basilisk with the help of Fawkes and the Sorting Hat. He destroys diary (and Riddle's memory and Horcrux), saving Ginny [CoS-17, HBP-23]. Dumbledore informs Harry that Voldemort left a part of himself inside him and that Harry isn't in Slytherin because of his choices. Harry frees Dobby by giving Lucius Riddle's diary stuffed in his sock. Hermione and others unpetrified. Exams cancelled at late night feast (ate in their pajamas). Hagrid freed from Azkaban [CoS-18, PoA DVD]. The PoA DVD gives Dobby's freedom and Hagrid's return as May 30th.
late May, 1993	Lucius sacked as school governor [CoS-18].
Jun 1, 1993	Exams were supposed to begin [CoS-16].
mid Jun, 1993	Harry, et al. return to King's Cross station [CoS-18].
Prisoner of Azkaban
mid Jun, 1993	First week of summer holidays. Harry picks lock on cupboard to get his books [PoA-1].
mid Jun, 1993	One week into summer holiday. Ron Weasley calls Harry on phone, but gets Uncle Vernon instead [PoA-1].
late Jul, 1993	Weasleys travel to Egypt for a month, scheduled to return about a week before term starts [PoA-1].
late Jul, 1993	Percy becomes Head Boy about a week before Harry's birthday [PoA-1].
late Jul, 1993	Cornelius Fudge inspects Azkaban Prison and gives Sirius Daily Prophet paper containing picture of Ron and his family on vacation in Egypt [PoA-19].
Jul 31, 1993	Harry's 13th Birthday. Very early a.m. Harry receives his first Birthday cards ever from Ron, Hermione, and Hagrid. Ron sends him a press clipping showing his family on vacation in Egypt; Scabbers is sitting on Ron's shoulder. Harry receives Hogsmeade permission slip that needs signing [PoA-1]. Fudge visits Muggle Prime Minister about Sirius Black [HBP-1]. Sirius Black's escape is carried on the Muggle news. Aunt Marge comes to visit [PoA-2, GoF DVD].
Aug 7, 1993	Harry blows up Aunt Marge, runs away, encounters the Knight Bus, and is found by Cornelius Fudge at the Leaky Cauldron [PoA-2,3, PoA DVD]. It's August eighth when the Knight Bus drops Harry off, according to the PoA and GoF DVDs.
Aug 31, 1993	Harry meets Ron and Hermione in Diagon Alley; Hermione buys Crookshanks [PoA-4, GoF DVD].
Sep 1, 1993	Harry, et al. go back to school. Harry encounters a dementor (he hears a woman screaming) and Lupin on the train [PoA-5]. McGonagall gives Hermione the Time-Turner [PoA-21]. Hagrid starts as Care of Magical Creatures professor [PoA-5, PoA DVD].
Sep 2, 1993	Next day. Sir Cadogan shows HRH the way to the Divination classroom where Trelawney sees a Grim in Harry's tea leaves. Transfiguration (Animagi). Care of Magical Creatures (Draco slashed by Buckbeak) after lunch [PoA-6, PoA DVD].
Sep, 1993	Thursday (same week). Double Potions in morning (Shrinking Solution). Defense Against the Dark Arts (the whole class except Harry and Hermione face down a boggart) [PoA-7]. The PoA-DVD puts this on September 9, but it occurs in the first week in the book.
early Oct, 1993	Quidditch practice begins [PoA-8].
Oct, 1993	Notice of first Hogsmeade weekend goes up. Crookshanks goes after Scabbers in the common room [PoA-8].
Oct 16, 1993	Next day. Herbology (puffapods). Lavender finds out her pet rabbit died, confirming Trelawney's "prediction". Transfiguration (Hogsmeade permissions forms) [PoA-8].
Oct 31, 1993	Halloween. First Hogsmeade weekend. Harry watches Snape give Lupin his medicine. While students are at dinner, Fat Lady is attacked by Sirius Black [PoA-8, PoA DVD].
early Nov, 1993	Next day. Sir Cadogan replaces Fat Lady at Gryffindor Tower entrance hole [PoA-9].
Nov, 1993	Friday [extrapolated]. Snape replaces Lupin as DADA teacher; Lupin is too ill to teach; Harry is late and loses 15 points; Hermione loses 5 for being an "insufferable know-it-all". Ron gets detention for sticking up for Hermione. Snape assigns werewolf essay to the class [PoA-9].
Nov 6, 1993	Saturday (next day). Crookshanks tries to sneak into the boys' dormitory. First Quidditch match: Gryffindor vs. Hufflepuff (Slytherin was rescheduled because of Draco's "injured" arm). Harry sees "Grim" (actually Sirius) in the stands and dementors storm the field, causing Harry to hear his mother's pleas to Voldemort to let Harry live, and then falls off his broom. Harry's Nimbus Two Thousand is smashed by the Whomping Willow [PoA-9, PoA DVD].
Nov 7, 1993	Sunday (next day). Harry stays in hospital whole weekend; is visited by Wood on Sunday [PoA-10].
Nov 8, 1993	Monday (next day). Potions (Ron loses 50 points). Defense Against the Dark Arts (hinkypunks); Lupin agrees to teach Harry to defend himself from dementors after the Christmas holidays [PoA-10, PoA DVD].
end Nov, 1993	Ravenclaw flattens Hufflepuff in Quidditch [PoA-10].
Dec 18, 1993	Saturday. Hogsmeade weekend (on last weekend of term). Fred and George bequeath the Marauder's Map to Harry. Harry sneaks into Hogsmeade and overhears conversation about Sirius Black and his "betrayal" of James and Lily [PoA-10, PoA DVD].
Dec 19, 1993	Sunday [extrapolated] (next day). First day of Christmas holiday. HRH visit Hagrid and learn of Buckbeak's fate [PoA-11, PoA DVD].
Dec, 1993	HRH research hippogriffs in the library [PoA-11].
Dec 25, 1993	Christmas. Harry gets a Firebolt for Christmas. Crookshanks attacks Scabbers in the boys' dormitory. Lupin is ill and does not attend Christmas dinner. Harry's Firebolt is confiscated after dinner by McGonagall; Harry and Ron (especially Ron) are angry with Hermione [PoA-11].
Jan 2, 1994	Hogwarts Express returns after Christmas holiday [PoA DVD].
early Jan, 1994	First day back. Care of Magical Creatures (salamanders). Divination (palmistry). Defense Against the Dark Arts (Lupin schedules Harry's Patronus lessons for Thursday evenings) [PoA-12].
Jan 6, 1994	Thursday. Harry faces boggart-dementor and hears both his mother and father [PoA-12, PoA DVD].
Jan, 1994	Saturday. Week after start-of-term. Slytherin narrowly defeats Ravenclaw in Quidditch [PoA-12].
Feb 3, 1994	Thursday. Harry and Lupin discuss what's under a dementor's hood. Harry gets his Firebolt back. Harry and Ron agree to make up with Hermione. Neville loses his list of passwords. Scabbers is gone and his blood is found on Ron's sheets with some of Crookshank's hairs lying on the floor nearby; Ron blames Crookshanks for Scabbers' disappearance [PoA-12, PoA DVD].
early Feb, 1994	Saturday. Quidditch: Gryffindor vs. Ravenclaw. Draco dresses up like dementor and is knocked down by Harry's corporeal Patronus [PoA-13].
early Feb, 1994	Sunday (next day), very early a.m. Ron is "attacked" by Sirius Black and Neville gets detention for "losing" his list of passwords [PoA-13]. Sir Cadogan is fired and the restored Fat Lady is back, protected by security trolls [PoA-14].
Feb 8, 1994	Tuesday. Neville gets a Howler from his Gran two days after Ron is attacked. Hagrid talks to Ron and Harry about Buckbeak's case and Hermione [PoA-14, PoA DVD].
Feb, 1994	Friday (same week). Hagrid presents case to Committee for Disposal of Dangerous Creatures [PoA-14]. The Ministry's letter in [PoA-11] gives the hearing date as April 20; I went with the narrative in PoA-14 instead.
Feb 12, 1994	Saturday (next day). Hogsmeade weekend. Harry attacks Draco and Crabbe while under Invisibility Cloak, but is seen. Snape nearly destroys/confiscates Marauder's Map; Lupin takes Marauder's Map. Hermione gets message that Buckbeak is to be executed [PoA-14]. Ron and Hermione make up [PoA-15, PoA DVD].
Apr, 1994	Around Easter. Hermione smacks Draco, misses Charms (Cheering Charms), and quits Divination (crystal balls) all in one day [PoA-15].
Apr, 1994	Saturday after Easter. Harry sees "Grim" (Sirius) and Crookshanks out Gryffindor Tower window. Quidditch: Gryffindor vs. Slytherin; Gryffindor wins Quidditch Cup for first time in seven years [PoA-15].
Jun 3, 1994	Monday. First day of exams. Transfiguration exam just before lunch; Charms exam in afternoon [PoA-16].
Jun 4, 1994	Tuesday (next day). Care of Magical Creatures exam in morning; Potions exam in afternoon; Astronomy exam at midnight [PoA-16].
Jun 5, 1994	Wednesday (next day). History of Magic exam in morning; Herbology exam in afternoon [PoA-16].
Jun 6, 1994	Thursday (next day). Last day of exams. Defense Against the Dark Arts exam in morning; Harry greets Minister Fudge on the school steps just before lunch. Hermione has Muggle Studies exam after lunch. Trelawney makes her prediction of resurrection of Dark Lord during Harry's afternoon Divination exam. HRH go to Hagrid's and find Scabbers; Buckbeak apparently executed at sunset [PoA-16]. Sirius drags Ron into Shrieking Shack. Harry has chance to kill person he believes responsible for his parents' deaths, but does not. Hermione reveals Lupin is a werewolf [PoA-17]. Moony, Wormtail, Padfoot, and Prongs revealed; Harry hears story about James saving Snape [PoA-18]. HRH attack Snape. Pettigrew revealed. Sirius explains his escape from Azkaban. Harry spares Pettigrew [PoA-19]. Lupin transforms into werewolf. Pettigrew escapes. A mysterious Patronus (from "Future Harry" [PoA-21]) saves Harry, Hermione, and Sirius by the lake [PoA-20]; Harry mistakenly believes his dad conjured it. Harry and Hermione go back three hours in time and follow HRH down to Hagrid's; they free Buckbeak at sunset and wait in Forbidden Forest for HRH and gang to emerge from Whomping Willow. Harry saves himself, Hermione, and Sirius from dementors. Sirius escapes on Buckbeak [PoA-21]. Harry and Hermione sneak back to infirmary and witness Snape's disappointment [PoA-22, PoA DVD].
Jun 7, 1994	Friday (next day). Hogsmeade, but HRH don't feel like going. Lupin resigns and gives Harry back Invisibility Cloak and Marauder's Map. Harry informs Dumbledore of Trelawney's second prediction. Dumbledore explains that Pettigrew owes Harry a Wizard's debt [PoA-22].
last day of term	Exam results. End of term feast [PoA-22].
Jun, 1994	Next day. HRH take Hogwarts Express back; Sirius gives Ron an owl [PoA-22] which will be named Pigwidgeon [GoF-5].
Goblet of Fire
Jun, 1994	Bertha Jorkins takes vacation to Albania [GoF-36] (had been missing for over a month when Harry is at Weasleys') [GoF-5].
summer, 1994	Wormtail searches out and finds Voldemort, bringing Bertha Jorkins to him. Voldemort devises plan to use Barty Crouch, Jr., whom he learns of from Bertha Jorkins, and the Triwizard Tournament to capture Harry Potter so he can restore himself to a true body [GoF-1,33]. Bertha Jorkins' death is used to create the Nagini Horcrux [Bloomsbury chat].
Jul 31, 1994	Harry's 14th Birthday. Harry receives four birthday cakes that help him cope with Dudley's new diet [GoF-3].
early Aug, 1994	Percy passes Apparation test [GoF-6].
mid Aug, 1994	Voldemort and Wormtail stay a week in his father's old house; they cannot act before the Quidditch World Cup is over [GoF-1].
Aug 18, 1994	Saturday. Harry wakes from a dream about Voldemort killing Frank Bryce and plotting his death (a fortnight (two weeks) before he returns to school) [GoF-2]. Note that the GoF DVD puts this on Aug 23. He receives a letter from Ron about attending the Quidditch World Cup. Harry writes to Sirius about his scar [GoF-3].
Aug 19, 1994	Sunday (next day). Dudley samples a Ton-Tongue Toffee [GoF-5]. Ron, his father, and the twins pick up Harry and they travel by Floo to the Burrow [GoF-4].
Aug 20, 1994	Monday (next day). Harry, et al. travel to 422nd Quidditch World Cup by Portkey [GoF-6]. They sit in Top Box [GoF-8] with Barty Crouch, Jr. who steals Harry's wand [GoF-35]. Crouch, Sr. does not watch the match [GoF-27] so that his son may sit in his seat (under Invisibility Cloak) instead [GoF-35]. Note that the GoF DVD puts these events on Aug 25.
Aug 21, 1994	Next day, very early a.m. Barty Crouch, Jr. conjures Dark Mark [GoF-9,35]. Winky is sacked by Crouch, Sr. [GoF-9]. Harry, et al. return to the Burrow [GoF-10]. Fudge visits Muggle Prime Minister about Dark Mark and dragons [HBP-1].
Aug, 1994	Voldemort and Wormtail arrive at Crouch, Sr.'s house sometime after Quidditch World Cup. Voldemort puts Crouch, Sr. under Imperius Curse and sends him about his normal business [GoF-35].
Aug, 1994	Wormtail and Crouch, Jr. prepare Polyjuice Potion for when they attack Alastor Moody [GoF-35].
late Aug, 1994	Saturday [extrapolated]. Rita Skeeter finds out about Bertha's disappearance. Harry and Ron get their Dress Robes, much to Ron's chagrin. The day is given as Sunday, but it's actually the day before they return to Hogwarts, so it has to be a Saturday [GoF-10].
Sep 1, 1994	Sunday [extrapolated] (next day). Alastor Moody is attacked overnight [GoF-11] and Barty Crouch, Jr. takes his place. Wormtail returns to Crouch, Sr.'s house to care for Voldemort and look after Crouch, Sr. [GoF-35]. HRH take Hogwarts Express back to school; Hermione learns Summoning Charm on the train [GoF-11]. Dumbledore announces the Triwizard Tournament. Neville gets trapped by trick stair [GoF-12].
early Sep, 1994	Monday (next day). Herbology with Hufflepuffs in morning (Bubotuber pus). Care of Magical Creatures with Slytherins (skrewts). Double Divination in afternoon (Hermione has Arithmancy). Moody turns Draco into ferret before dinner [GoF-13]; the GoF DVD mistakenly puts this on Sep 1.
early Sep, 1994	Potions. Neville melts his sixth cauldron and gets detention (disembowling horned toads) [GoF-14].
Sep 4, 1994	Thursday. Defense Against the Dark Arts in afternoon. Fake Moody (Crouch, Jr.) demonstrates Unforgivable Curses and gives book to Neville [GoF-14,35, GoF DVD] so Harry can find gillyweed in it [GoF-35]. Hermione starts S.P.E.W. Hedwig returns with Sirius' reply saying that he's coming back [GoF-14].
early Sep, 1994	Friday (next day). Harry sends letter to Sirius telling him not to come [GoF-15].
Sep, 1994	Monday (next week). Care of Magical Creatures [GoF-14].
?, 1994	Moody puts the class under the Imperius Curse [GoF-15].
Oct 23, 1994	A week before Beauxbatons and Durmstrang arrive. Care of Magical Creatures. Sign announcing the Triwizard Tournament goes up in entrance hall [GoF-15].
Oct, 1994	Cleaning of the castle begins [GoF-15].
late Oct, 1994	Transfiguration (Switching Spells - Neville transplants his ears onto cactus) [GoF-15].
late Oct, 1994	Angelina Johnson turns 17, and can participate in Triwizard Tournament [GoF-16].
Oct 30, 1994	Friday. Harry receives reply from Sirius stating that he's back in the country. Potions. Beauxbatons and Durmstrang students arrive at Hogwarts [GoF-15]. Dumbledore explains the Goblet of Fire [GoF-16, GoF DVD].
Oct 31, 1994	Halloween. Saturday. Fred and George try to cross the Age Line. Triwizard participants chosen by Goblet; Bagman and Crouch, Sr. attend ceremony [GoF-16]. Crouch, Sr. looks ill, according to Harry [GoF-27]. Harry chosen as fourth champion and Ron begins his tiff with Harry [GoF-17, GoF DVD].
Nov 1, 1994	Sunday (next day). Harry owls Sirius about being entered in Triwizard Tournament [GoF-18].
Nov 2, 1994	Monday (next day). Herbology (Bouncing Bulbs). Care of Magical Creatures (skrewts exercise) [GoF-18].
Nov 6, 1994	Friday. Charms (Summoning Charms) in morning. Double Potions (Antidotes) in afternoon. "Potter Stinks" badges. Harry and Draco duel; Goyle and Hermione hit by ricochets; Hermione's teeth grow. Weighing of Wands; Bagman and Crouch, Sr. are present. Note that the GoF DVD puts this on Nov 13. Harry gets Sirius' reply telling him to be by fire at 1 a.m. on Nov 22 [GoF-18]. This is supposed to be the second Friday that Harry was tormented by the Slytherins for being in the Triwizard Tournament [GoF-18], but it's also supposed to be about a fortnight (2 weeks) before he talks to Sirius on the 22nd, and placing it on the 13th means Harry and Ron would have actually served their detentions before they received them!, so I placed this on the earlier Friday.
Nov, 1994	Rita Skeeter's article on Harry published ("ten days ago"). Harry and Ron serve detention pickling rats' brains [GoF-19].
Nov 21, 1994	Saturday. Hogsmeade; Harry goes with Hermione and takes his Invisibility Cloak to avoid Ron. Hagrid tells Harry to meet him at midnight [GoF-19].
Nov 22, 1994	Sunday (next day), very early a.m. Hagrid takes Maxime on date that helps Harry see dragons just after midnight. Harry talks to Sirius in fireplace at 1 a.m. [GoF-19]. Harry and Hermione research dragons [GoF-20].
Nov 23, 1994	Monday (next day). Harry tells Cedric about the dragons. Fake Moody helps Harry with First Task. Herbology (Flutterby Bush). Hermione helps Harry learn Summoning Charm [GoF-20].
Nov 24, 1994	Tuesday (next day). History of Magic in morning. First Task. Bagman and Crouch, Sr. attend. Harry gets egg from First Task. Ron and Harry make up [GoF-17,20, GoF DVD]. Harry owls Sirius about getting through First Task. Hermione finds out how to get into kitchens. Neville samples a Canary Cream [GoF-21].
Nov, 1994	Crouch, Sr. shows signs of fighting the Imperius Curse and is kept imprisoned in his house by Voldemort and Wormtail, and he is forced to send his instructions to the office by owl [GoF-23,35]. Crouch, Sr. hasn't been seen in public since November, according to Daily Prophet [GoF-27].
Dec, 1994	Care of Magical Creatures (skrewts). Hagrid agrees to give Rita Skeeter interview on Friday. Double Divination in afternoon. HRH go down to kitchens and find Dobby and Winky there; Dobby's been there a week [GoF-21].
Dec, 1994	Thursday. Transfiguration (Cross-Species Switches). McGonagall announces Yule Ball; Harry learns he'll be dancing [GoF-22].
Dec, 1994	Next day. Harry asked to Yule Ball by curly-haired Hufflepuff. History of Magic [GoF-22].
Dec, 1994	Next day. Two more girls ask Harry to Ball [GoF-22].
Dec, 1994	Care of Magical Creatures (chopping skrewt food); last CoMC class of term [GoF-22].
Dec, 1994	Wednesday (during last week of term). Charms [GoF-22].
Dec, 1994	Next day. George asks Ron if he can borrow Pigwidgeon. Fred asks Angelina to Ball. Hermione stomps off over Ron's attitude toward girls [GoF-22].
Dec 18, 1994	Friday (last day of term). History of Magic. Potions. Harry asks Cho to Ball. Ron asks Fleur to Ball. Ron realizes Hermione is a girl, but learns she already has a date. Harry asks Parvati to Ball [GoF-22, GoF DVD].
Dec, 1994	Ron notices Hermione's teeth are smaller. Pigwidgeon delivers congratulatory message from Sirius [GoF-23].
Dec 25, 1994	Christmas. Harry gets socks from Dobby, a tissue from the Dursleys, and a magic penknife from Sirius. Yule Ball [GoF-23]. Ginny meets Michael Corner at the Ball; they begin dating at end of year [OotP-16]. Percy Weasley sits in for missing Crouch, Sr. [GoF-23]. Dumbledore obliquely mentions the Room of Requirement [GoF-23, OotP-18]. Karkaroff and Snape talk. Harry learns Hagrid is a half-giant [GoF-23], as does Rita Skeeter [GoF-37].
Dec 26, 1994	Next day, just after midnight [GoF-23]. Snape tells Dumbledore Karkaroff will flee; he will not [DH-33]. Cedric helps Harry with egg clue [GoF-23]. Boxing Day [GoF-24].
Jan, 1995	First day of new term. Herbology and Care of Magical Creatures in morning (unicorns). Professor Grubbly-Plank fills in for Hagrid, who isn't present because of Rita Skeeter's article. Divination in afternoon [GoF-24].
mid Jan, 1995	Saturday. Hogsmeade visit. Bagman offers Harry help with the egg. Bagman is stopped by Rita Skeeter and pursued by goblins. Bagman tells Harry that Crouch, Sr. has been absent from work for a couple of weeks now. HRH and Dumbledore convince Hagrid not to resign [GoF-24].
?, 1995	Thursday. Harry takes bath with egg (note that the GoF DVD mistakenly places this on Dec 25), sees Fake Moody in Snape's office, falls into the trick stair, and gives Marauder's Map to Fake Moody [GoF-25].
?, 1995	Next day. Charms (Banishing Charm). Harry owls Sirius about Moody and Snape [GoF-26].
Feb 22, 1995	Monday (two days to go until Second Task). Owl from Sirius requesting date of next Hogsmeade weekend arrives; Harry replies with the same owl. Care of Magical Creatures (unicorn foals) [GoF-26].
Feb 23, 1995	Ron and Hermione taken as hostages for Second Task. Fake Moody talks loudly to McGonagall about using gillyweed to breathe underwater, causing Dobby to break into Snape's office and steal the gillyweed [GoF-26,35].
Feb 24, 1995	Dobby gives Harry gillyweed. Second Task; Bagman is present, but Percy is still filling in for Crouch, Sr. [GoF-20,26, GoF DVD].
early Mar, 1995	Friday. Harry gets Sirius' reply to meet him in Hogsmeade. Double Potions in afternoon. Rita Skeeter's article on Hermione published. Karkaroff shows Snape his Dark Mark [GoF-27].
early Mar, 1995	Saturday (next day). Hogsmeade with Sirius [GoF-27].
early Mar, 1995	Sunday (next day). HRH send letter to Percy. Harry sends Sirius food and sees eagle owl flying around Hogwarts and Hagrid digging in his garden (leprechaun gold for nifflers) [GoF-28].
early Mar, 1995	Next day. Hermione gets bubotuber pus in the mail. Herbology. Care of Magical Creatures (nifflers) [GoF-28].
mid Mar, 1995	Defense Against the Dark Arts (hex-deflection). Hermione confirms from Fake Moody after class that Rita Skeeter isn't wearing an Invisibility Cloak on the grounds [GoF-28].
Apr 1, 1995	Fred and George Weasley turn 17 [GoF-12].
early Apr, 1995	Easter holidays. Ron gets Percy's letter concerning Mr. Crouch [GoF-28].
mid Apr, 1995	Start of summer term [GoF-28].
mid May, 1995	Crouch, Sr. escapes from Wormtail (Fake Moody waits a week before his father shows up at Hogwarts) [GoF-35].
May 24, 1995	Precisely one month before Third Task [GoF-26]. Harry and Cedric go down to hear Bagman tell them what Third Task is. Harry runs into Crouch, Sr. [GoF-28]. Crouch, Sr. is murdered by his son and transformed into a bone which is then buried in Hagrid's garden [GoF-35].
end May, 1995	Next day. HRH send owl to Sirius about Crouch's disappearance. Fred and George send threatening letter to Bagman. History of Magic [GoF-29].
end May, 1995	Next morning. Return owl from Sirius [GoF-29].
end May, 1995	Monday [GoF-31]. HRH practice Stunning. Divination (Arithmancy for Hermione). Harry has dream about flying as an Eagle owl to Voldemort; Wormtail's blunder (letting Crouch, Sr. escape) hasn't ruined everything [GoF-29]. In Pensieve, Harry watches Karkaroff name names, Bagman get off (Rita Skeeter attends), and the Lestranges and Barty Crouch, Jr. sentenced to life in Azkaban for torture of Frank and Alice Longbottom. Harry learns Snape was a Death Eater [GoF-30]. Harry owls Sirius about Pensieve [GoF-31].
Jun, 1995	HRH practice for Third Task; Sirius is owling daily. HRH see Draco talking into his hand [GoF-31].
Jun 24, 1995	Rita Skeeter's article on Harry published. History of Magic exam (not for Harry) [GoF-31]. Third Task. Fake Moody carries Triwizard Cup into maze and makes it into a Portkey and then helps Harry through the obstacles [GoF-26,31,35]. Wormtail helps Voldemort regain his body with contributions from Tom Riddle, Wormtail, and Harry [GoF-32]. Voldemort recalls his Death Eaters and restores Wormtail's severed hand [GoF-33]. Karkaroff flees after the Dark Mark on his arm burns [GoF-35,36]. Harry's and Voldemort's wands connect, bringing back shadows of Wormtail's hand, Cedric Diggory, Frank Bryce, Bertha Jorkins, and Harry's mother and father [GoF-34]. Harry's wand imbibes some power from Voldemort's wand [DH-35]. Harry escapes back to Hogwarts using the Triwizard Cup Portkey [GoF-34]. Fake Moody tries to kill Harry. Dumbledore interrogates Crouch, Jr. with Veritaserum [GoF-35, GoF DVD].
Jun 25, 1995	Next day, very early a.m, nighttime. Fudge gives Crouch, Jr. to dementor. Snape shows his Dark Mark to Fudge. Fudge gives Triwizard winnings to Harry. Bill Weasley is sent to his father at the Ministry to rally loyal forces [GoF-36]. Sirius reveals himself; he is sent to alert the old crowd (Lupin, Figg, Mundungus) [GoF-36, OotP-5]. Snape is sent on an unknown errand by Dumbledore [GoF-36], returning to Voldemort's side two hours after Harry faced Voldy in the graveyard [HBP-2]. Hermione traps Rita Skeeter in a glass jar [GoF-36,37]. Harry meets with Cedric Diggory's parents in the morning [GoF-37].
Jun, 1995	Bagman flees from debt-collecting goblins after Harry ties Cedric Diggory [GoF-37].
Jun, 1995	Thursday. DADA cancelled. HRH go talk to Hagrid [GoF-37].
Jul 1, 1995	Remembrance ceremony for Cedric Diggory in Great Hall (a week after his death); Alastor Moody attends. Dumbledore suggests to Beauxbatons and especially Durmstrang students that they are welcome back at any time [GoF-37].
early Jul, 1995	Next day. Hogwarts Express ride back to King's Cross station. Harry gives his Triwizard winnings to Fred and George so they can start a joke shop [GoF-37].
early Jul, 1995	Dumbledore sends Hagrid and Madame Maxime as envoys to the giants [GoF-37, OotP-20]. Hagrid and Maxime set off right after term ends; it takes about a month to get there [OotP-20].
Order of the Phoenix
summer, 1995	Harry starts having dreams about long, dark corridors [OotP-1].
Jul, 1995	First week after term ends. Percy and Arthur Weasley have their big fight and Percy moves to London [OotP-4].
Jul 31, 1995	Harry's 15th Birthday. Harry receives another frustratingly ambiguous note from Hermione along with his birthday presents of chocolate, which he throws away. Dudley beats up Mark Evans [OotP-1].
Aug, 1995	Hagrid and Maxime find giants a month after they first left; they spend a week with them [OotP-20].
Aug 2, 1995	Mundungus Fletcher Disapparates when he's supposed to be guarding Harry. Vernon electrically shocked when he grabs Harry. Harry and Dudley attacked by dementors; Harry hears Voldemort's laughter instead of his mother's screams. Harry gets four owls, one of which is a notice of suspension from school and summons him to appear at a disciplinary hearing [OotP-1,2,8]. Petunia gets Dumbledore's Howler [OotP-2,37]. Harry wries to Sirius, Ron, and Hermione [OotP-3].
early Aug, 1995	Fred and George place first business ad in Daily Prophet [OotP-6].
Aug 6, 1995	Four days after Harry's attack, he is escorted to number twelve, Grimmauld Place; a meeting of the Order of the Phoenix is just starting [OotP-3,4]. Sirius is nearly speared by a knife at dinner [OotP-5].
Aug 7, 1995	Next day. Harry enlisted for cleaning of Grimmauld Place. The twins collect doxies; Harry meets Kreacher; Sirius explains his family tree [OotP-6].
Aug 11, 1995	Wednesday [OotP-6]. Ginny's 14th birthday isn't mentioned in the book, though Harry was rather preoccupied at the time.
Aug 12, 1995	Thursday (next day). Harry goes to Ministry of Magic for his disciplinary hearing. Dumbledore and Mrs. Figg testify on his behalf [OotP-2,6,7,8]. After the hearing, Harry and Mr. Weasley run into Lucius Malfoy at the Ministry [OotP-9]. Lucius Malfoy may have placed Sturgis Podmore under Imperius Curse to get him to enter the Department of Mysteries [OotP-26]. Harry's scar burns that night (possibly due to Lucius informing Voldemort of Imperius Curse?) [OotP-9].
Aug, 1995	Cleaning of Grimmauld Place continues. Sirius withdraws from everyone [OotP-9].
Aug 30, 1995	Educational Decree Twenty-Two passes, allowing Ministry to select Hogwarts teachers if Dumbledore cannot find a replacement [OotP-15].
Aug 31, 1995	Next day. Sturgis Podmore arrested at 1 a.m. for trespass at the Ministry [OotP-14]. Letters from Hogwarts arrive (very late this year, no explanation given). Ron and Hermione are prefects; Harry is less than thrilled at not becoming prefect. Ron gets a new broom. Moody shows Harry former Order. Mrs. Weasley encounters boggart. Harry's scar burns that evening; Voldemort is furious (possibly due to Podmore's arrest?) [OotP-9,18].
Sep 1, 1995	Next day. Sturgis Podmore does not show up to help escort Harry to King's Cross station, though Sirius does go and is apparently spotted by Lucius and Draco Malfoy. Harry, et al. go back to school. Harry meets Luna Lovegood and sees thestrals for the first time [OotP-10]. Harry and Seamus begin their tiff [OotP-11].
Sep, 1995	Monday (next day). First school day back. History of Magic (giant wars) and double Potions (Draught of Peace) in the morning; Divination (dream interpretation) and double Defense Against the Dark Arts in the afternoon. Harry meets Umbridge and gets detention [OotP-12].
Sep, 1995	Next day. Double Charms (review Summoning Charms) and double Transfiguration (Vanishing Spells) in the morning; Care of Magical Creatures (bowtruckles) and Herbology in the afternoon. First detention with Umbridge [OotP-12,13].
Sep, 1995	Next day. Divination and Transfiguration in the morning; Care of Magical Creatures and Astronomy in the afternoon. Detention with Umbridge [OotP-13].
Sep, 1995	Thursday (next day). Potions. Transfiguration. Care of Magical Creatures. After his detention Harry learns Ron is going out for Gryffindor Keeper [OotP-13].
Sep, 1995	Friday (next day). Last detention of the week with Umbridge. Gryffindor Keeper tryouts [OotP-13]; Cormac McLaggen misses tryouts due to eating doxy eggs [HBP-11]. Harry feels his scar burn when Umbridge touches him [OotP-13]; Voldemort is happy [OotP-18].
Sep, 1995	Saturday (next day). Harry writes to Sirius and sees thestrals flying over Forbidden Forest. Sturgis Podmore's arrest is in the Daily Prophet [OotP-14].
Sep, 1995	Sunday (next day). Educational Decree Twenty-Three passes, appointing Dolores Umbridge Hogwarts High Inquisitor [OotP-15]. Ron receives a letter from Percy (via Hermes) [OotP-14].
Sep, 1995	Next day, very early a.m. HRH talk to Sirius in the fire; Hagrid was supposed to be back by now [OotP-14]. History of Magic. Double Potions (Strengthening Solution). Fred and George explain O.W.L. grading system. Divination in afternoon (Arithmancy for Hermione); Trelawney evaluated. Defense Against the Dark Arts; Harry gets full week of detentions [OotP-15].
Sep, 1995	Tuesday (next day). Charms. Transfiguration (vanishing mice); McGonagall evaluated. Care of Magical Creatures (bowtruckles) in afternoon; Grubbly-Plank evaluated; Harry receives another day of detention. Harry serves a detention and is then treated with murtlap essence; Hermione suggests Harry teach them DADA (and says Voldemort's name for first time). Harry dreams about corridors and locked doors [OotP-15].
late Sep, 1995	Hermione talks again to Harry about teaching DADA [OotP-16].
early Oct, 1995	Hogsmeade weekend [OotP-12]. First Saturday of October. HRH meet with lots of students wanting to study DADA in the Hog's Head Inn. All sign Hermione's parchment [OotP-16]. Mundungus Fletcher overhears meeting in Hog's Head [OotP-17] as does Willy Widdershins, the bandaged man at the bar [OotP-27]. Ron learns Ginny is dating Michael Corner [OotP-16].
Oct, 1995	Monday. Educational Decree Number Twenty-Four passes, disbanding all organizations. Ron tries to go up girls' staircase. History of Magic (giant wars); Hedwig turns up wounded. Potions (Strengthening Solutions); Snape evaluated. Divination in afternoon. Defense Against the Dark Arts [OotP-17].
Oct, 1995	Tuesday (next day, very early a.m.). Sirius appears in fireplace and Umbridge nearly catches him [OotP-17]. Charms (Silencio). Gryffindor Quidditch team allowed to reform. Harry feels scar hurt after Quidditch practice (Voldemort is furious) [OotP-18].
Oct, 1995	Next day, very early a.m. Harry dreams about walking down a corridor. Dobby returns Hedwig to Harry and tells him about the Room of Requirement. Double Herbology. Care of Magical Creatures (inside because of rain) in afternoon. First practice in Room of Requirement; call themselves Dumbledore's Army: D.A. [OotP-18].
Oct, 1995	Wednesday (next week). Second D.A. meeting [OotP-18].
mid Oct, 1995	Fourth D.A. meeting; Hermione hands out coins bewitched with Protean Charm [OotP-19].
Nov, 1995	Saturday. Quidditch: Gryffindor vs. Slytherin. Harry, Fred, and George banned for life from Quidditch and their broomsticks confiscated. Hagrid returns [OotP-19]. HRH visit Hagrid, as does Umbridge [OotP-20].
Nov, 1995	Tuesday. Care of Magical Creatures (thestrals); Hagrid evaluated; he'll get his results in ten days [OotP-21].
Dec, 1995	Ginny becomes Gryffindor Seeker. Last D.A. meeting of term. Harry kisses Cho. Hermione writes to Viktor Krum [OotP-21].
Dec, 1995	Next day, very early a.m. Harry sees Arthur Weasley attacked through a snake's eyes [OotP-21]. Harry tells Dumbledore of attack and tries to bite Dumbledore as he and the Weasley clan are sent to Grimmauld Place via Portkey. Sirius tells Kreacher to get "OUT!" [OotP-22] and Kreacher heads to Narcissa Malfoy [OotP-37]. Later that day, all go to St. Mungo's (Broderick Bode is there) to visit Arthur Weasley [OotP-22]. Harry considers leaving Grimmauld Place to protect others from him. Harry dreams about black corridor again [OotP-23].
Dec, 1995	Next day. Christmas decorations are put up. Harry moves upstairs to get away from other people; he hasn't eaten since lunch yesterday. Immediately after end of term, Hermione takes Knight Bus to Grimmauld Place instead of going skiing with her parents, and coaxes Harry to come down for dinner [OotP-23].
Dec 25, 1995	Christmas. Ron gives Hermione perfume; she is less than thrilled. They re-visit Arthur Weasley at St. Mungo's and see Gilderoy Lockhart and Bode; Bode receives a potted plant for Christmas. Neville's parents are also in the long term care ward; Neville and his Gran are visiting them. Alice Longbottom gives Neville an empty Droobles Blowing Gum wrapper [OotP-23].
Dec, 1995	Sirius finds Kreacher in the attic [OotP-24].
early Jan, 1996	Last day of break. Snape tells Harry he will be teaching him Occlumency on Mondays. Arthur Weasley gets out of St. Mungo's [OotP-24].
early Jan, 1996	Next day. Harry worries about when he'll see Sirius again; Sirius gives Harry communication device before he leaves. HRH and Ginny return to Hogwarts on Knight Bus [OotP-24].
early Jan, 1996	Monday (next day). First school day back. Ten Death Eaters break out of Azkaban in early morning hours [OotP-25]. Potions in the morning. Harry asks Cho to go to Hogsmeade with him on Valentine's Day. First Occlumency lesson with Snape. Harry realizes corridor he has been dreaming about is in Department of Mysteries. Fred and George demonstrate Headless Hats. Harry collapses because Voldemort is maniacally happy [OotP-24]. Fudge visits Muggle Prime Minister about Azkaban break out [HBP-1].
early Jan, 1996	Next day. Daily Prophet carries story of Death Eater breakout from Azkaban and Bode's death at St. Mungo's. Harry and Ron learn Hagrid is on probation. Umbridge visits every Divination and Care of Magical Creatures class [OotP-25].
early Jan, 1996	Next morning. Educational Decree Number Twenty-Six passes, banning teachers from giving students any information unrelated to their subjects [OotP-25].
Jan, 1996	Harry now having nightly dreams about entrance to the Department of Mysteries [OotP-25].
Feb 14, 1996	Valentine's Day. Hogsmeade weekend. Harry and Cho go on first (and last) date. Harry tells his story to Rita Skeeter for publication in The Quibbler [OotP-25].
Feb, 1996	Saturday. Quidditch: Gryffindor vs. Hufflepuff; Gryffindor barely wins. Harry dreams about corridor again; the door is ajar this time [OotP-26].
Feb, 1996	Next day. The March edition of The Quibbler comes out [OotP-26].
Feb, 1996	Monday. The Quibbler with Harry's story arrives at Hogwarts along with lots of owls. Umbridge bans Harry from Hogsmeade and gives him another week of detentions. Educational Decree Number Twenty-Seven passes, threatening to expel any student found in possession of The Quibbler. Herbology. Charms. Divination [OotP-26].
Feb, 1996	Tuesday. Seamus and Harry make up. Transfiguration in morning. Harry dreams he is Voldemort. Harry learns Avery had informed Voldemort that Bode could remove "IT", but Rookwood explains it was impossible. And Harry learns that Lucius Malfoy had done Imperius Curse on Bode [OotP-26].
late Feb, 1996	Harry breaks into Snape's mind during Occlumency. Harry gets through the door at the Department of Mysteries to see a round room with many doors during Occlumency; Snape is less than pleased. Umbridge fires Trelawney and tries to throw her out, but Dumbledore allows her to stay and replaces her with Firenze [OotP-26], who was banished by his herd [OotP-27].
early Mar, 1996	A few days after Trelawney is sacked. Divination (Arithmancy for Hermione) with Firenze (stargazing) [OotP-27].
Apr, 1996	Seamus attends his first D.A. meeting. Harry is caught by Draco fleeing the Room of Requirement. Dumbledore's Army is revealed to Minister Fudge. Marietta Edgecombe shows up in Dumbledore's office with SNEAK written on her face. Kingsley Shacklebolt casts a Memory Charm so she cannot reveal the D.A. meetings. Dumbledore stuns the room and escapes with Fawkes [OotP-27]. Dumbledore's office seals itself off [OotP-28].
Apr, 1996	Next day. Educational Decree Number Twenty-Eight passes, replacing Albus Dumbledore with Dolores Umbridge as Headmistress. Draco Malfoy and other Slytherins become part of Inquisitorial Squad. Herbology in morning. Fred and George force Montague into the Vanishing Cabinet. Umbridge interrogates Harry in her office. Fred and George set off all their fireworks one floor below Umbridge's office. Transfiguration in afternoon. Harry dreams about Department of Mysteries and finally gets into room full of spun-glass spheres [OotP-28].
Apr, 1996	Next day. Harry's Occlumency lesson interrupted by Draco with news of Montague. Harry invades Snape's Pensieve. He sees Snape, James, Sirius, Remus, and Peter taking their O.W.L.s (along with group of unidentified girls). Harry's mother is part of group of girls by the lake who had just emerged with the students taking their O.W.L.s. James torments Snape. Snape calls Lily a Mudblood. Snape catches Harry; no more Occlumency [OotP-28].
Apr, 1996	Friday [OotP-28]. First day of Easter break (6 weeks until exams) [OotP-29].
Apr, 1996	Easter Sunday. Ginny and Harry thrown out of library for eating chocolate. Career Advice notice goes up on board. Harry plots to talk to Sirius [OotP-29].
Apr, 1996	Monday (next day). Hermione spends day pestering Harry not to break into Umbridge's office. History of Magic and Potions (Invigoration Draught) in morning. Divination in afternoon; Harry attends Career Advice with McGonagall and Umbridge instead. Defense Against the Dark Arts. Just as classes end, Fred and George turn fifth floor corridor into swamp. Harry talks with Sirius and Remus about his dad. Fred and George make their unforgettable exit from Hogwarts [OotP-29].
Apr, 1996	Lee Jordan starts slipping nifflers into Umbridge's office [OotP-30,31].
May, 1996	Monday [extrapolated]. Harry dreams he's gotten to row 97 in the Department of Mysteries [OotP-30].
May, 1996	Tuesday (next day). Montague's parents visit. Charms (running teacups). Harry reveals he gave his Triwizard winnings to the twins. Less than a month to go before exams [OotP-30].
May, 1996	Saturday (following Saturday). Quidditch: Hufflepuff vs. Slytherin. [OotP-30].
end May, 1996	Last weekend of May. Quidditch: Gryffindor vs. Ravenclaw. Harry and Hermione meet Grawp. Weasley is our King [OotP-30].
end May, 1996	Next day. Harry and Hermione inform Ron about Grawp [OotP-31].
early Jun, 1996	O.W.L. results will come in six weeks time [OotP-31].
Jun, 1996	Sunday. Professor Marchbanks arrives [OotP-31].
Jun, 1996	Monday (next day). Charms exams (theory in morning; practical in afternoon) [OotP-31].
Jun, 1996	Next day. Transfiguration (theory in morning; practical in afternoon) [OotP-31].
Jun, 1996	Wednesday (next day). Herbology [OotP-31].
Jun, 1996	Thursday (next day). Defense Against the Dark Arts (theory and practical) [OotP-31].
Jun, 1996	Friday (next day). Ancient Runes for Hermione. Lee Jordan puts another niffler in Umbridge's office [OotP-31].
Jun, 1996	Monday. Potions (theory in morning; practical in afternoon) [OotP-31].
Jun, 1996	Tuesday (next day). Care of Magical Creatures (practical in afternoon) [OotP-31].
Jun, 1996	Wednesday (next day). Astronomy (theory in morning). Divination (afternoon). Arithmancy for Hermione (afternoon). Astronomy practical that night [OotP-31].
Jun, 1996	Thursday (next day, very early a.m.). During Astronomy exam, Hagrid flees Hogwarts and McGonagall Stunned into unconsciousness. History of Magic (afternoon). Harry "sees" Sirius being tortured in Department of Mysteries by Voldemort [OotP-31]. Harry tries to contact Sirius via Umbridge's fireplace, but encounters Kreacher instead. Umbridge captures the "Sextet" and confesses to sending dementors after Harry [OotP-32]. Harry and Hermione take Umbridge into Forbidden Forest and the centaurs deal with her [OotP-33]. HRH, Ginny, Neville, and Luna ride thestrals to Ministry of Magic [OotP-34].
Jun, 1996	Friday (next day, very early a.m.). Harry, along with Luna (and possibly Ginny and Neville too), hear voices in veil room. Harry finds his prophecy [OotP-34]. Prophecy is smashed during the scrum. Harry watches Sirius fall into veil [OotP-35]. Harry goes after Bellatrix and attempts Cruciatus curse on her. Voldemort briefly possess Harry's body [OotP-36]. Dumbledore tells Harry of protection guarding him at Privet Drive and Trelawney's prophecy ("either must die") [OotP-37]. Dementors break out of Azkaban [OotP-38]. Fudge visits Muggle Prime Minister about dementor breakout [HBP-1].
Jun, 1996	Sunday. Harry visits hospital wing, then meets Malfoy in entrance hall, then goes down to see Hagrid, then down to the lake [OotP-38].
Jun, 1996	Ron and Hermione leave hospital three days before end of term [OotP-38].
Jun, 1996	Umbridge leaves Hogwarts day before end of term. That evening Harry finds Sirius' mirror and smashes it. Harry asks Nearly Headless Nick if Sirius might return. Luna tells him her stuff is missing [OotP-38].
Jun, 1996	Next day. Return on Hogwarts Express. Malfoy, Crabbe, and Goyle hexed by many members of D.A. [OotP-38].
Half-Blood Prince
summer, 1996	The Weasleys' clock stands at mortal peril, "ever since You-Know-Who came back into the open" [HBP-5].
early Jul, 1996	Calls for Fudge's resignation begin, lasting for a fortnight [HBP-1].
Jul, 1996	Dementors are breeding and causing unexplained mist [HBP-1,4].
Jul, 1996	Sirius' will is discovered a week before Dumbledore visits Privet Drive [HBP-3].
mid Jul, 1996	Brockdale Bridge collapses [HBP-1].
mid Jul, 1996	Same week. Giants upset trees in the West country; Muggles believe it was a hurricane [HBP-1].
mid Jul, 1996	Same week. Amelia Bones murdered, possibly by Voldemort himself (according to Fudge) [HBP-1].
mid Jul, 1996	Same week. Emmeline Vance murdered, using Snape's information [HBP-1,2].
mid Jul, 1996	Same week. Junior Minister Herbert Chorley begins quacking like a duck [HBP-1].
mid Jul, 1996	Same week. Cornelius Fudge sacked [HBP-1]. Dumbledore acquires Marvolo's ring from the Gaunts' abandoned hovel and is injured doing so [HBP-2,10,23]. Dumbledore destroys the ring Horcrux with Gryffindor's sword. Snape does his best to cure his hand; the wound is terminal, he has perhaps a year. Dumbledore and Snape both know Draco's task. Dumbledore asks Snape be the one to kill him to preserve Draco's soul; Snape agrees [DH-33]. Dumbledore sends a letter to Harry explaining that he will retrieve him at 11pm on Friday [HBP-3].
mid Jul, 1996	Hermione arrives at the Burrow, two days before Harry [HBP-5].
mid Jul, 1996	Friday night, 11pm, only a fortnight (two weeks) into summer vacation. Dumbledore visits Privet Drive. Harry learns he has inherited number twelve, Grimmauld Place (and Kreacher) [HBP-3]. Harry and Dumbledore Apparate to Budleigh Babberton just before midnight [HBP-4]. Muggle Prime Minister awaits the Minister of Magic just before midnight [HBP-1].
mid Jul, 1996	Next day, very early a.m., just after midnight. Three days (actually four) after Fudge is sacked, he and new Minister of Magic Rufus Scrimgeour meet Muggle Prime Minister to discuss attacks. Herbert Chorley moved to St. Mungo's [HBP-1]. Narcissa Malfoy and Bellatrix Lestrange meet with Snape (and Wormtail) at Spinner's End to discuss Draco's assignment; Snape makes Unbreakable Vow with Narcissa to protect Draco and finish his job if need be [HBP-2]. Harry and Dumbledore meet Horace Slughorn; Dumbledore is wearing a ring with a cracked stone; they convince him to teach at Hogwarts. Harry and Dumbledore Apparate to the Burrow and talk in the Weasleys' broom shed [HBP-4]. Harry learns Bill and Fleur are getting married. He tells Ron and Hermione about the prophecy [HBP-5]. HRH receive their O.W.L. results; Harry and Ron believe they won't have Potions anymore [OotP-31, HBP-5].
Jul 30, 1996	Neville's 16th Birthday; he gets his new wand the day before Ollivander disappears [HBP-7].
Jul 31, 1996	Next day. Harry's 16th Birthday. Igor Karkaroff's body is found; Florean Fortescue and Ollivander are missing [HBP-6]; Ollivander held prisoner at Malfoy Manor where he makes Wormtail a new wand [DH-24].
Aug 1, 1996	Next day. Letters from Hogwarts arrive; Harry is Quidditch Captain [HBP-6].
early Aug, 1996	Saturday. Trip to Diagon Alley. HRH encounter Narcissa and Draco Malfoy in Madam Malkin's, visit Weasleys' Wizard Wheezes, and spy on Draco in Borgin and Burkes [HBP-6].
Sep 1, 1996	Harry, et al. go back to school; Harry dines with Slughorn, and spies on Draco, who attacks him [HBP-7]. Harry is late and loses Gryffindor 70 points. Slughorn is the new Potions master; Snape finally gets DADA [HBP-8].
Sep 2, 1996	Next day. Ron encounters a giggly Lavender going down for breakfast. McGonagall reviews O.W.L. grades to help determine class schedules; Harry and Ron can take Potions [HBP-9]. Ancient Runes (Hermione only; Harry and Ron have a break) and DADA (nonverbal spells) in morning; Harry gets detention for Saturday. Jack Sloper delivers Harry's first letter from Dumbledore [HBP-9]. CoMC would be in afternoon, but HRH didn't continue with it [HBP-8]. Arithmancy (Hermione only; Harry and Ron have a break) and double Potions (Veritaserum, Polyjuice Potion, Amortentia (smells like Ginny to Harry), Felix Felicis) in afternoon. Harry gets the Half-Blood Prince's potions book [HBP-9].
early Sep, 1996	Wednesday (same week). Ancient Runes for Hermione [HBP-9].
early Sep, 1996	Saturday (same week), 8pm. Harry's detention with Snape moved to following Saturday. Harry gets first lesson from Dumbledore. Harry and Dumbledore use the Pensieve to visit Bob Ogden's memory of the Gaunts' hovel [HBP-10].
Sep, 1996	Next week. Hannah Abbott removed from Herbology class to be informed her mother is dead. Eloise Midgen withdrawn from school by her father. Stan Shunpike arrested [HBP-11].
Sep, 1996	Saturday (next day). Harry receives his new copy of Advanced Potion-Making and switches bindings with the old book, much to Hermione's dismay. Dumbledore hasn't been seen since Harry's last lesson with him. Ron spies Lavender looking at him; Hermione is less than happy. Quidditch tryouts; Hermione Confunds McLaggen to help Ron. HRH visit Hagrid; Aragog is dying. Slughorn invites Harry and Hermione to dinner. Hermione reads about Mr. Weasley's search of the Malfoy home. Harry gets message from Snape about his detention (sorting flobberworms) at 8:30pm [HBP-11].
Sep, 1996	Thursday (same week). First Quidditch practice [HBP-11].
mid Oct, 1996	Hogsmeade weekend (not for Draco; he has detention with McGonagall). Harry has been using hexes from Advanced Potion-Making, including 'Levicorpus'. Ginny gives Harry his next note from Dumbledore. Harry catches Mundungus selling Sirius' old things to the Hog's Head barman; Tonks helps free Mundungus. Katie Bell is cursed when she touches an opal necklace. Dumbledore is away until Monday [HBP-12].
mid Oct, 1996	Next day. Katie moved to St. Mungo's [HBP-13].
mid Oct, 1996	Monday. Slughorn's party; Harry can't attend. Second lesson with Dumbledore at 8pm; Dumbledore's wound isn't improving. Harry witnesses Caractacus Burke's memory of buying Slytherin's locket from Merope in the Pensieve as well as Dumbledore's memory of convincing Tom Riddle to attend Hogwarts. Marvolo's ring is gone from Dumbledore's study [HBP-13]; Dumbledore has destroyed it [HBP-23] using Gryffindor's basilisk-venom laden sword. The sword is replaced with a fake; Snape does not know this, according to Phineas [DH-15].
mid Oct, 1996	Next day. Herbology (Snargaluff stumps) in morning [HBP-14].
1996	Transfiguration (conjuring out of thin air). Harry asks Dean to replace Katie; Seamus is less than pleased. Ron does poorly at Quidditch practice. Harry sees Dean and Ginny kissing in a hallway; he is less than pleased; Ron breaks up the action; Ginny taunts him for never being kissed. Harry and Ron run into a small girl along the seventh floor corridor who drops a bottle of toadspawn. Harry thinks a lot about Ginny that night [HBP-14].
1996	Next day. Ron is treating Hermione with icy indifference [HBP-14].
1996	Final Quidditch practice before match with Slytherin. Harry threatens to throw Ron off the team [HBP-14].
1996	Next day. Quidditch: Gryffindor vs. Slytherin; Zacharias Smith is announcing. Harry pretends to put Felix Felicis in Ron's pumpkin juice; Ron plays brilliantly; Draco doesn't play at all. Ron and Lavender are fully entwined in the common room; Hermione attacks Ron with a flock of birds [HBP-14].
Dec, 1996	Ron and Hermione spend much of December avoiding each other. Hermione warns Harry in the library about girls plotting to slip him a love potion. Ginny keeps cropping up in Harry's dreams. Romilda gives Harry suspicious Cauldron Cakes [HBP-15].
Dec, 1996	Next day. Transfiguration (change eyebrows colors). Harry invites Luna to Slughorn's party. Harry slips away from Slughorn's party to listen in on Snape and Draco (Unbreakable Vow); Draco looks ill [HBP-15].
Dec, 1996	Next day. Harry and Ron return to the Burrow [HBP-16].
Dec 25, 1996	Christmas. Ginny gives Harry goosebumps at dinner. Percy and Rufus Scrimgeour stop by the Burrow for a chat [HBP-16].
early Jan, 1997	Harry, Ron, and Ginny Floo back to Hogwarts. Hermione delivers Dumbledore's letter to Harry [HBP-17].
early Jan, 1997	Next day. Notice announcing Apparition lessons goes up. Charms (produce a fountain of water). Dumbledore's blackened hand doesn't seem to be healing. Harry sees Voldemort visit Morfin Gaunt in Dumbledore's Pensieve as well as Slughorn's meeting with Riddle concerning Horcruxes (the edited version) [HBP-17].
early Jan, 1997	Next day. Ron and Hermione still avoiding each other. Potions (poison antidotes; Harry uses a bezoar; Hermione is less than happy) in afternoon. Harry gets nowhere asking Slughorn about Horcruxes [HBP-18].
early Feb, 1997	Saturday. First Apparition lesson for sixth years. Harry learns Draco is using Crabbe and Goyle as lookouts; Harry begins using the Marauder's Map to track Draco [HBP-18].
late Feb, 1997	Evening. Hagrid overhears Dumbledore arguing with Snape [HBP-19]. Snape wavers on his promise to kill Dumbledore; he does not know about the Horcruxes. 11pm: Dumbledore informs Snape of the soul fragment inside Harry, that he must inform Harry after Voldemort begins protecting Nagini, and that Voldemort must be the one to kill Harry. Snape shows Dumbledore his doe Patronus [DH-33].
Mar 1, 1997	Saturday. Hogsmeade trip cancelled; Katie still in St. Mungo's. Ron's 17th birthday; Harry gets him Keeper's gloves. Apparition lesson, but Harry and Ron don't attend because Ron accidentally eats some of Harry's love potion-laced Cauldron Cakes and falls in love with Romilda Vane. Ron drinks poison after being cured of the love potion and Harry saves him with a bezoar [HBP-18]. Hagrid lets it slip that Dumbledore is angry with Snape [HBP-19].
Mar 2, 1997	Next day. Cormac McLaggen and Lavender bug Harry. Potions [HBP-19].
Mar, 1997	Next week. Harry sees Draco with a pair of girls in the hallway not going down to watch the game. Quidditch: Gryffindor vs. Hufflepuff; Luna is announcing. Harry is knocked cold by McLaggen's Bludger and finds himself next to Ron in the infirmary. Harry orders Kreacher and Dobby to tail Draco [HBP-19].
Mar, 1997	Monday, two weeks before Apparition practice in Hogsmeade [HBP-21]. Harry and Ron out of hospital; Hermione informs them Ginny and Dean had a fight; Harry is pleased. HRH pass a small girl in the seventh floor corridor who drops her scales. Luna delivers Dumbledore's letter to Harry. Ron and Lavender aren't enjoying each other's company; Hermione is in a good mood. Harry hasn't gotten the memory from Slughorn yet; Dumbledore is less than pleased. Dumbledore shows Harry Hokey the house-elf's memory of Voldemort's visit to his mistress (Hufflepuff's cup, Slytherin's locket). Dumbledore shows Harry his memory of Voldemort asking for a job ten years after Hepzibah Smith's murder; the DADA post has been cursed since then [HBP-20].
Mar, 1997	Sunday (next week). Harry finds 'Sectumsempra' in his Potions book. Sign announcing Apparition Test goes up. Ron's quills misbehave (Roonil Wazlib); "I love you, Hermione". Ron wants to ditch Lavender. Kreacher and Dobby give their first report; Draco is visiting the Room of Requirement [HBP-21].
Mar, 1997	Next day. Mundungus sent to Azkaban. Ancient Runes (Hermione). Harry tries to enter Room of Requirement during his free period. DADA (identify an Inferius, Cruciatus Curse); Harry is late and loses 10 points. Ron and Harry encounter Moaning Myrtle in a boys' bathroom [HBP-21].
Apr 7, 1997	Sunday (a fortnight (two weeks) before Apparition tests). Apparition practice in Hogsmeade. Harry scares Goyle away from the Room of Requirement. Harry encounters Tonks, who looks terrible, in the castle. Dumbledore is away again [HBP-21].
Apr, 1997	Monday. Katie Bell released from St. Mungo's; she spends a couple of days with her parents before returning to Hogwarts [HBP-24].
Apr 21, 1997	Lunch. Hagrid sends Harry note about Aragog. Apparition Tests (Hermione passes; Ron just fails). Potions (Euphoria). Draco looks thinner and paler. Dinner. Harry takes Felix Felicis. Lavender encounters Ron and Hermione together; Ginny scolds Dean [HBP-22]. Ron and Lavender, and Ginny and Dean break up [HBP-24]. Harry invites Slughorn to Aragog's burial. Slughorn collects acromantula venom and unicorn hairs [HBP-22]. Dumbledore returns [HBP-23].
Apr 22, 1997	Next day, very early a.m. Harry gets Slughorn's complete Horcrux memory [HBP-22]. Harry and Dumbledore watch Slughorn's Horcrux memory. Dumbledore explains Voldemort's six Horcruxes (Tom's diary, Marvolo's ring, Slytherin's locket, Hufflepuff's cup, something from Gryffindor or Ravenclaw, Nagini, and Voldemort himself) [HBP-23]. Charms (turn vinegar to wine). HRH free period. Harry debates with himself about dating Ron's sister. Katie Bell returns (Transfiguration for seventh years) [HBP-24].
May, 1997	Quidditch practice and Ginny daydreams occupy Harry's time through the month [HBP-24].
May, 1997	Three days before final Quidditch match. Harry catches Draco crying in a boys' bathroom with Moaning Myrtle. Harry nearly kills Draco with Sectumsempra. Snape takes Draco to the infirmary. Harry hides his Advanced Potion-Making book in the Room of Requirement; the Vanishing Cabinet and many other hidden objects are there. Snape inspects Harry's school books (Roonil Wazlib); Harry gets detention every Saturday at 10am for the rest of the term (so no Quidditch) [HBP-24].
May, 1997	Saturday. Quidditch: Gryffindor vs. Ravenclaw. Harry sorts Filch's files for detention instead. After the match Harry kisses Ginny for "several sunlit days"; Hermione is happy, Ron is surprised but accepting, Dean and Romilda are less than pleased [HBP-24].
Jun, 1997	Ginny's studying keeps her away from Harry. Hermione finds Eileen Prince's name in the library. Jimmy Peakes delivers Dumbledore's note to Harry; he meets Trelawney on the way and learns Malfoy achieved his goal and that Snape was the one who overheard part of the prophecy. Harry gives his remaining Felix Felicis to Ron, Hermione, and Ginny and accompanies Dumbledore to find a Horcrux; they encounter Madam Rosmerta on the way [HBP-25]; she notifies Draco [HBP-27]. Harry and Dumbledore Apparate to the cave where young Tom Riddle had taken two other orphans; Dumbledore drinks the basin's potion which weakens him greatly; they recover a locket [HBP-26]. Draco lets Death Eaters into Hogwarts using the Vanishing Cabinet in the Room of Requirement and the Hand of Glory. Gibbon sets off the Dark Mark. Flitwick fetches Snape down in the dungeons, and is Stupefied by him just before midnight [HBP-29].
Jun, 1997	Next day, very early a.m., just after midnight. Harry Apparates them back to Hogsmeade where they are spotted by Rosmerta, who points out the Dark Mark over the school. Harry and Dumbledore fly to the top of the Astronomy Tower. Dumbledore Freezes Harry, but loses his wand to Draco [HBP-27]; Draco becomes the Elder Wand's master, though he never possesses it, ruining Snape and Dumbledore's plan for the wand [DH-35,36]. Draco hesitates fulfilling his mission (killing Dumbledore); Snape does it instead, using Avada Kedavra [HBP-27]. Harry chases Draco and Snape out of the school; Snape is the Half-Blood Prince; Snape attacks Harry. Harry finds Dumbledore's body at the base of the Astronomy Tower; the fake Horcrux locket (R.A.B.) lies next to him [HBP-28]. Bill Weasley lies in the hospital wing with Werewolf wounds; Fawkes sings his lament as Harry informs people of what happened. Lupin/Tonks revealed. Dumbledore's portrait is in the Head's office; Harry refuses to tell new Headmistress McGonagall where they went. The school may close [HBP-29]. Patil twins and Zacharias Smith leave school. Late afternoon: Maxime arrives in her carriage [HBP-30].
Jun-Jul, 1997	Sometime after Dumbledore's death but before Moody places his anti-Snape jinxes on Grimmauld Place. Snape takes the second page of Lily's letter to Sirius referring to Grindelwald and containing her "love". He tears the photo in half, keeping the part with Lily, leaving James and Harry on the floor [DH-33].
Jun, 1997	Hermione finds that Eileen Prince was Snape's mother [HBP-30].
Jun, 1997	Next day, morning. Everyone, including Umbridge, Scrimgeour, Fudge, Grawp, members of the Order, Mrs. Figg, the Hog's Head barman, merpeople, and the centaurs attend Dumbledore's funeral, where his body is entombed. Harry breaks up with Ginny to protect her. Harry resolves to hunt down the Horcuxes, starting in Godric's Hollow; Ron and Hermione vow to join him [HBP-30]. Hermione summons Horcrux books out of Dumbledore's study [DH-6].
Deathly Hallows
Jun, 1997	Next day. Harry returns to Privet Drive [HBP-3,30].
Jun, 1997	Death Eaters have infiltrated the Ministry [DH-1,3].
Jun, 1997	A few days into summer holiday. Arthur Weasley and Kingsley Shacklebolt visit Privet Drive. Vernon spends next four weeks debating whether to go into hiding [DH-3].
Jun, 1997	Charity Burbage's resignation from Hogwarts and Elphias Doge's article on Dumbledore in Daily Prophet [DH-2].
1997	Death Eaters (including Lucius Malfoy) break out of Azkaban [DH-1].
Jul, 1997	Four weeks after Dumbledore's death. Rita Skeeter finishes her novel on Dumbledore [DH-2].
mid Jul, 1997	Charity Burbage writes article on Muggle-borns for Daily Prophet [DH-1].
Jul, 1997	Lupin and Tonks marry [DH-1].
Jul, 1997	Yaxley places Pius Thicknesse under Imperius Curse [DH-1].
Jul, 1997	Snape Confunds Mundungus to suggest multiple Polyjuiced Harrys [DH-33].
Jul, 1997	Nighttime. Yaxley and Snape give their differing reports to Voldemort at Malfoy Manor. Voldemort murders Charity Burbage [DH-1].
Jul, 1997	Saturday (next week). Harry cleans his school trunk, cutting his finger on a shard of Sirius' enchanted mirror; the mirror flashes blue for an instant. Harry has four days left before he's an adult [DH-2]. Hestia Jones and Dedalus Diggle escort the Dursleys from Privet Drive at sunset, while thirteen members of The Order remove Harry, breaking the charm on Privet Drive before it expires [DH-3,4]. Six Order members Polyjuice into Harry, and fly into the night. Hedwig is killed [DH-4]. George loses an ear to Snape accidentally [DH-5,33]; Moody is killed [DH-5]. Harry's wand acts of its own accord against Voldemort [DH-4]. Harry lands at the Tonks' and Portkeys to the Burrow, uttering Voldemort's name at both locations. Harry sees Voldemort torture Ollivander [DH-5].
Jul, 1997	Next day. Mrs. Weasley interrogates Harry about their mission. Wedding preparations [DH-6].
Jul, 1997	Next day. Hermione continues packing, and explains memory modifications she has done to her parents. Ron shows off his ghoul impersonator with "spattergroit". Hermione says Voldemort's name, and explains how she got the Horcrux books [DH-6].
Jul 30, 1997	Next day. The Delacours arrive at 11am, two days before the wedding [DH-6]. Harry Potter was to be moved from Privet Drive, according to Yaxley's inaccurate information [DH-1,4].
Jul 31, 1997	Next day. Harry's 17th Birthday; Harry comes of age, and his blood protection at Privet Drive would naturally have ended [HBP-3, DH-1,3,6]. Harry sees Voldemort searching for Gregorovitch in a dream. Ginny gives Harry a long Birthday kiss to remember her by. A radiant Tonks is likely pregnant. Hagrid gives Harry a Mokeskin pouch. Rufus Scrimgeour, executing Dumbledore's will after 31 days, gives a Deluminator (Put-Outer) to Ronald Bilius Weasley, The Tales of Beedle the Bard to Hermione Jean Granger, and Harry's first snitch to Harry James Potter; but keeps Gryffindor's sword at Hogwarts [DH-7].
early Aug, 1997	Next day. Harry Polyjuices into "Cousin Barny" [DH-8]. Bill and Fleur marry [HBP-5,30, DH-8]. Harry meets Xenophilius Lovegood, who is wearing a triangular eye-shaped pendant, angering Viktor Krum who recognizes it as Grindelwald's symbol. Elphias Doge and Auntie Muriel argue over Dumbledore's past [DH-8]. Scrimgeour is tortured to death for information on Harry; Pius Thicknesse (under the Imperius Curse) replaces him [DH-11]. Kingsley's lynx Patronus informs the wedding participants: "The Ministry has fallen. Scrimgeour is dead. They are coming." [DH-8]. Death Eaters crash the wedding; Hermione Apparates HRH away. Hermione says Voldemort's name; two Death Eaters quickly find them. HRH Apparate to Grimmauld Place. Harry watches Draco Crucio Rowle on Voldemort's orders [DH-9].
early Aug, 1997	Next day. Harry finds first page of letter from Lily to Sirius and a torn picture of himself riding a broom in Sirius' old room. Snape likely searched the house recently. Harry finds Regulus Arcturus Black's room. Hermione says Voldemort's name again. Kreacher tells his tale. Harry gives Kreacher Regulus' locket. Harry sends Kreacher after Mundungus [DH-10].
early Aug, 1997	Next day. Kreacher does not return. Hogwarts attendance now compulsory [DH-11].
early Aug, 1997	Next day. Kreacher does not return. Muggle-born Registration Commission formed. Death Eaters begin watching Grimmauld Place; Lupin Apparates onto the top step. Ron, Lupin, and Hermione all say Voldemort's name, but Lupin doesn't believe they know HRH are at Grimmauld Place. Tonks is pregnant and staying with her parents; Remus believes the child will be wolf-ish. Kreacher returns with Mundungus; Umbridge has the locket [DH-11].
early Aug, 1997	The Life and Lies of Albus Dumbledore published [DH-2].
Aug, 1997	Death Eaters continue their vigil outside Grimmauld Place [DH-12].
mid Aug, 1997	Griphook and other goblins go on the run [DH-15].
Aug 22, 1997	List of Muggle-borns (including Hermione) who failed to present themselves for interrogation carried in Daily Prophet [DH-12].
Sep 1, 1997	Half a dozen Death Eaters assemble outside Grimmauld Place. Harry returns that evening from watching the Ministry all day. Snape is Hogwarts Headmaster; Alecto Carrow teaches Muggle Studies; Amycus Carrow gets DADA. Harry says Voldemort's name. Harry sees Voldemort searching for Gregorovitch [DH-12].
Sep, 1997	Next day. HRH infiltrate Ministry [DH-12], steal Mad-Eye's eye and the locket from Umbridge, and free Muggle-borns. Nearly caught, Hermione Apparates them back to Grimmauld Place, dragging Yaxley in, exposing their hiding place [DH-13,14]. Hermione Apparates them away to woods near the Quidditch World Cup; Ron is splinched. Harry sees Voldemort interrogate Gregorovitch about who stole an object he desires. Hermione nearly says Voldemort's name twice [DH-14].
Sep, 1997	Next day. Harry buries Moody's eye. Harry can't conjure a Patronus while wearing the Horcrux [DH-15].
1997	HRH travel to London to find Tom Riddle's orphanage; it's gone [DH-15].
1997	As HRH spend weeks Apparating around Britain, Voldemort dwells on the golden-haired thief [DH-15].
1997	Ginny, Neville, and Luna attempt to steal the fake sword from the Headmaster's office; they're caught and Snape gives them detention with Hagrid [DH-15].
1997	A couple days later. Gryffindor's fake sword placed in Bellatrix's vault in Gringotts [DH-15,23].
1997	Ted Tonks flees rather than register with the Ministry [DH-15].
1997	Next week. Autumn. Lack of progress, good food, and their isolation takes its toll. A group, including Dean Thomas, Ted Tonks, Dirk Cresswell, and Griphook the goblin, camps nearby. Gryffindor's sword is a fake. HRH interrogate Phineas' portrait about the sword. Ron abandons Harry and Hermione [DH-15]; Hermione cries for a week. Ron is caught by Snatchers, but escapes with an extra wand [DH-19]; he stays at Bill's [DH-20].
1997	Harry and Hermione don't discuss Ron for the next few days [DH-16].
1997	Harry is very angry at both Ron and Dumbledore. Phineas Nigellus reappears, blindfolded, in his portrait every few days [DH-16].
1997	Ginny banned from Hogsmeade; she, Neville, and Luna reform the D.A. [DH-16].
1997	Weather growing colder, and they wander further [DH-16].
Dec, 1997	Christmas break (presumably before Luna's father bought the Erumpent horn). Luna taken by Death Eaters off the Hogwarts Express, and held at Malfoy Manor [DH-25,29].
Dec, 1997	Two weeks prior to HRH's visit. Xenophilius Lovegood buys an Erumpent horn (he believes it to be that of a Crumple-Horned Snorkack) [DH-20] to exchange for Luna [DH-21].
Dec 17, 1997	Harry and Hermione find Grindelwald's mark written in Hermione's book. They discuss exploring Godric's Hollow [DH-16].
Dec, 1997	Nearing Christmas. Harry and Hermione steal hairs from Muggles for use in Polyjuice [DH-16].
Dec 24, 1997	One week after their discussion, Harry and Hermione visit Godric's Hollow [HBP-30, DH-16]. There is a statue of James, Lily, and Harry in the square. They find the graves of Kendra and Ariana Dumbledore, Ignotus Peverell (with Deathly Hallows mark) [DH-17,20], and James and Lily Potter; Hermione conjures a wreath; Harry places it on his parents' grave [DH-16]. They find Harry's ruined house. "Bathilda Bagshot" invites them to her home; Slytherin's locket pulses strongly; Harry steals the picture of Dumbledore and the golden-haired thief [DH-17]; Hermione steals The Life and Lies of Albus Dumbledore [DH-18]; "Bathilda" turns into Nagini and tries to hold Harry for Voldemort. Hermione blasts the room, breaking Harry's wand; Harry drops the stolen picture and Voldemort finds the thief he was seeking [DH-17].
Dec 25, 1997	Next day, very early a.m, just as church bells ring in Christmas Day. Harry pulls Hermione out the window; she Apparates them away as they fall; Harry sees Voldemort's memory of Halloween night, October 31, 1981. Hermione wakes Harry around dawn. Hermione tries to fix Harry's wand [DH-17]. Ron hears Hermione's voice coming from his Deluminator, and Apparates to their snowy location [DH-19]. Harry and Hermione read about Dumbledore and Grindelwald in Skeeter's book [DH-18].
Dec, 1997	Next day, very early a.m. Both Harry and Hermione hear people prowling around their encampment. They Apparate to the Forest of Dean; Hermione had gone camping there once. After thoroughly searching the previous hill Ron Apparates to the Forest of Dean [DH-19]. Phineas' portrait reports to Headmaster Snape that Harry and Hermione are in the Forest of Dean; Snape scolds him for using the term 'Mudblood'. Dumbledore's portrait instructs Snape on the sword; he removes it from behind Dumbledore's portrait [DH-33]. That night, a doe Patronus leads Harry to Gryffindor's true sword; Ron rescues Harry from drowning and destroys the locket Horcrux with the sword. Ron gives Harry his extra wand [DH-19].
Dec, 1997	Next day. Ron explains the Taboo. Hermione isn't speaking to Ron [DH-20].
Dec, 1997	Next day. HRH Apparate to Ottery St. Catchpole [DH-20]. Mr. Lovegood explains the Deathly Hallows tale: Elder Wand, Resurrection Stone, Cloak of Invisibility; represented by the triangular symbol. Mr. Lovegood tries to sell out Harry to get his Luna back; the Erumpent horn explodes during the scrum [DH-21]. Hermione Obliviates Mr. Lovegood, lets the Death Eaters see Harry, and Apparates them away [DH-21,22]. Dusk. Harry realizes Voldemort is hunting the Elder Wand; he begins to obsess over the Hallows [DH-22].
Dec, 1997	HRH travel for a week along a rainy coast [DH-22].
Jan, 1998	Weeks pass while travelling [DH-22].
Mar, 1998	Easter holidays; Ginny gets out of Hogwarts just in time. Weasleys flee the Burrow to Auntie Muriel's. Fidelius Charm on Aunt Muriel's and Shell Cottage. Bill and Arthur not working anymore. Fred and George run Owl Order business from Aunt Muriel's [DH-24].
Mar, 1998	Easter holidays [DH-23]. Ron finally tunes in Potterwatch; Ted Tonks and Dirk Cresswell are dead; Mr. Lovegood is imprisoned; Hagrid is on the run, hiding in Sirius' former mountain cave [GoF-27, DH-22,28]. Harry says Voldemort's name and Snatchers find them [DH-22]. Hermione uses Stinging Jinx to distort Harry's face. Snatchers, including Greyback, take HRH, Dean, and Griphook to Malfoy Manor; HRH lose their wands [DH-22,23,24]; Draco is reluctant to identify them. Luna and Ollivander are captives as well. Bellatrix, worried about the security of her vault, brutally tortures Hermione [DH-23].
Mar, 1998	Next day, very early a.m. (which events occur on which side of midnight is unclear). Harry asks for help from the blue eye in his mirror shard [DH-23]; it's Aberforth's [DH-28]; Dobby appears. Dobby Disapparates Luna, Dean, and Ollivander. Wormtail moves to kill Harry, but he changes his mind due to his life-debt; his silver hand murders him instead. Griphook lies about the sword. Bellatrix summons Voldemort. Harry sees Voldemort murder the imprisoned Grindelwald. Harry disarms Draco [DH-23], becoming the Elder Wand's master [DH-36]. Dobby disarms Narcissa. Dobby Disapparates them away; Bellatrix throws her knife at Dobby; he dies at Shell Cottage [DH-23]. Harry's grief masks the pain from his scar. The sky begins to lighten. Harry buries Dobby. Dawn. Harry talks to Griphook about breaking into Gringotts. Ollivander cannot repair Harry's wand. Harry has Draco's wand, Hermione Bellatrix's, and Ron Wormtail's. Harry discusses wands with Ollivander. Harry watches Voldemort take the Elder Wand from Dumbledore's tomb, but does nothing to stop him [DH-24]. Voldemort confines the Malfoys and Bellatrix to Malfoy Manor [DH-26].
Mar, 1998	Three days after their arrival. Griphook agrees to help them break into Gringotts in exchange for Gryffindor's sword [DH-25].
Mar, 1998	They plan the break-in for weeks [DH-25].
Apr, 1998	Ollivander moved to Auntie Muriel's. Lupin visits; Tonks has had a boy: Teddy Remus Lupin; Harry is godfather. Bill warns Harry about making deals with goblins [DH-25].
1998	Death Eaters go after Mrs. Longbottom [DH-29].
1998	Less than two weeks before HRH arrive. Neville goes into hiding in the Room of Requirement [DH-29].
1998	Two days later. Passage behind Ariana's portrait opens into the Room of Requirement [DH-29].
1998	Ollivander sends Luna a new wand [DH-26].
May, 1998	Next morning. HRH and Griphook steal Hufflepuff's cup from the Lestranges' vault; Griphook keeps Gryffindor's sword. HRH escape on a dragon [DH-26]. Harry sees Voldemort murder goblins in his rage over the stolen cup, discovers the last Horcrux is at Hogwarts, and watches him set off to check his Horcruxes [DH-27]. HRH Apparate to Hogsmeade, setting off alarms. Aberforth rescues them, sending them into the Room of Requirement via Ariana's portrait [DH-28]. HRH encounter Neville (who sends for other D.A. members via Hermione's fake Galleons), and other D.A. members. Harry watches Voldemort discover his missing Peverell ring. Luna, Dean, Ginny, Fred, George, Lee, and Cho return [DH-29]. Ron imitates Parseltongue. He and Hermione take basilisk fangs from the Chamber of Secrets; Hermione destroys the cup Horcrux [DH-31]. Harry sees Voldemort in the cave. McGonagall chases Snape from Hogwarts. The Weasleys, the Order, the Gryffindor Quidditch team, and Fleur arrive. Harry sees Voldemort arrive outside Hogwarts [DH-30]. 11:30pm: Voldemort demands Harry Potter by midnight. 11:45pm: Harry talks to Helena Ravenclaw [DH-31].
May 2, 1998	Next day, just after midnight. The Battle of Hogwarts begins. Harry realizes where the tiara is. Ron and Hermione finally reappear. Mrs. Longbottom and Tonks arrive; Ginny leaves the Room of Requirement. Ron suggests saving the house-elves; Hermione kisses him. Draco, Crabbe, and Goyle fight HRH in the Room; Crabbe accidentally destroys the tiara Horcrux with Fiendfyre, killing himself. Harry saves Draco. Fred is killed [DH-31]. Lucius worries only for his son. Ron slugs Draco. HRH enter the Shrieking Shack; Snape offers to fetch Harry. Voldemort doesn't think his wand works properly; Nagini kills Snape; Voldemort believes he is finally the Elder Wand's master. Harry takes Snape's memories; Snape looks at Lily's eyes for the last time [DH-32]. Voldemort gives Harry one hour. Remus and Tonks are dead. Harry views Snape's memories [DH-33]. Colin Creevey is dead. Nearly 4am. Harry tells Neville to kill Nagini. Harry walks willingly to his death; he drops the Resurrection Stone. Voldemort kills Harry using Avada Kedavra [DH-34]. At a way station between life and death (King's Cross) Dumbledore explains Hallows, Horcruxes, Snape, and Voldemort to Harry [DH-35]. Hagrid carries Harry out of the Forest. Voldemort's spells have no real effect. Grawp and the Centaurs attack. Neville cuts off Nagini's head, destroying the last Horcrux. Lucius and Narcissa look for Draco. Molly kills Bellatrix. Sunrise. Voldemort's and Harry's final spells meet; Voldemort's Avada Kedavra backfires and kills him; Harry catches the Elder Wand. Harry repairs his own wand using the Elder Wand [DH-36]. The specific day comes from a Pottercast interview.
May, 1998	Harry returns the Elder Wand to its final resting place: Dumbledore's tomb [DH-36].
Epilogue
summer, 1998	17-year-old Harry joins the Auror Department [JKR website].
2007	Harry becomes Head of Auror Department [JKR website].
Sep 1, 2009	Teddy Remus Lupin starts at Hogwarts [extrapolated from birth date].
early 2010's	Victoire Weasley starts at Hogwarts [DH-37].
mid 2010's	James Sirius Potter starts at Hogwarts [DH-37].
Sep 1, 2017	Albus Severus Potter and Rose Weasley start at Hogwarts. Scorpius Malfoy likely does as well [DH-37].
Sep 1, 2019	Lily Luna Potter will start at Hogwarts, two years after Albus [DH-37].

Houses and Years

	Gryffindor	Hufflepuff	Ravenclaw	Slytherin	House Unknown	1930's
1938				Tom Marvolo Riddle		s. ? Avery s. ? Lestrange -- g. Minerva McGonagall ~~Carlotta Pinkstone~~
	Gryffindor	Hufflepuff	Ravenclaw	Slytherin	House Unknown	1940's
1940	Rubeus Hagrid					~~Hambledon Quince~~ -- Olive Hornby r. Myrtle Eileen Prince ~~Erica Stainwright~~
	Gryffindor	Hufflepuff	Ravenclaw	Slytherin	House Unknown	1950's
1957					Broderick Bode	Fabius Watkins Devlin Whitehorn -- ~~Laurentia Fletwock~~
	Gryffindor	Hufflepuff	Ravenclaw	Slytherin	House Unknown	1960's
1962					-- Rita Skeeter	~~Tarquin McTavish~~ g. Arthur Weasley -- Bertha Jorkins g. Molly Prewett
1965				Lucius Malfoy
1966				Narcissa Black
1968					Sturgis Podmore
	Gryffindor	Hufflepuff	Ravenclaw	Slytherin	House Unknown	1970's
1971	Sirius Black Remus Lupin Peter Pettigrew James Potter -- Lily Evans			Severus Snape	? Stebbins	Bertram Aubrey s. ? Avery s. Regulus Black ~~Lorcan d'Eath~~ Davey Gudgeon s. Rodolphus Lestrange s. Evan Rosier Gaspard Shingleton Tilden Toots s. ? Wilkes -- s. Bellatrix Black Glenda Chittock Daisy Hookum g. Mary ?
1972					Dirk Cresswell
	Gryffindor	Hufflepuff	Ravenclaw	Slytherin	House Unknown	1980's
1982	Bill Weasley					s. Miles Bletchley ~~B. Dunstan~~ s. Terence Higgs s. Adrian Pucey ~~Donaghan Tremlett~~ s. C. Warrington
1984	Charlie Weasley	Nymphadora Tonks
1986				Marcus Flint	Stan Shunpike
1987	Percy Weasley Oliver Wood
1988			-- Penelope Clearwater	? Bole ? Derrick
1989	Lee Jordan Kenneth Towler Fred Weasley George Weasley -- Angelina Johnson Alicia Spinnet Patricia Stimpson	Cedric Diggory	Roger Davies
	Gryffindor	Hufflepuff	Ravenclaw	Slytherin	House Unknown	1990's
1990	Cormac McLaggen -- Katie Bell		Marcus Belby Eddie Carmichael -- Cho Chang			r. ? Bradley ~~K. Bundy~~ h. ? Cadwallader ~~S. Capper~~ r. ? Chambers g. Ritchie Coote Harold Dingle ~~J. Dorny~~ g. Geoffrey Hooper g. Andrew Kirke s. ? Montague g. Jack Sloper h. Zacharias Smith h. ? Stebbins h. ? Summerby h. ? Summers s. ? Urquhart s. ? Vaisey -- r. Marietta Edgecombe r. S. Fawcett g. Vicky Frobisher Leanne ? h. Eloise Midgen ? Montgomery ? Montgomery g. Demelza Robins
1991	Seamus Finnigan Neville Longbottom Harry Potter Dean Thomas Ron Weasley -- Lavender Brown Hermione Granger Parvati Patil	Justin Finch-Fletchley ~~Wayne Hopkins~~ Ernie Macmillan -- Hannah Abbott Susan Bones ~~Megan Jones~~	Terry Boot Michael Corner ~~Stephen Cornfoot~~ ~~Kevin Entwhistle~~ Anthony Goldstein -- Mandy Brocklehurst ~~Su Li~~ Morag MacDougal Padma Patil Lisa Turpin	Vincent Crabbe Gregory Goyle Draco Malfoy Theodore Nott Blaise Zabini -- Millicent Bulstrode ~~Tracey Davis~~ Daphne Greengrass Pansy Parkinson	? Maltie Li- Moon ? Rivers ? Roper ? Runcorn ? Spinks -- Sally-Anne Perks
1992	Colin Creevey -- Ginny Weasley		-- Luna Lovegood	Harper
1993	-- Romilda Vane				Derek ? -- ~~Astoria Greengrass~~
1994	Dennis Creevey Jimmy Peakes -- Natalie McDonald	Owen Cauldwell Kevin Whitby -- Eleanor Branstone Laura Madley	Stewart Ackerley -- Orla Quirke	Malcolm Baddock Graham Pritchard -- ~~Mafalda~~	-- Emma Dobbs
1995	Euan Abercrombie	-- Rose Zeller
1996
1997
	Gryffindor	Hufflepuff	Ravenclaw	Slytherin	House Unknown	2000's
2009					Teddy Lupin
	Gryffindor	Hufflepuff	Ravenclaw	Slytherin	House Unknown	2010's
201?					-- Victoire Weasley
201?					James Potter
2017					Scorpius Malfoy Albus Potter -- Rose Weasley
2019					-- Lily Potter
	Gryffindor	Hufflepuff	Ravenclaw	Slytherin	House Unknown	2020's
202?					Hugo Weasley

GENERAL NOTES

Names that are struck through come from sources other than the books themselves.
Names that are italicized have something that is not definite about their status.
Some of the students listed under the "1990's" column may have actually started in the late '80s; most of the names came from Quidditch.
Albus Dumbledore is 150 (actually more like 115 - see a bit further down) and Minerva McGonagall is 70, according to one of the interviews.
McGonagall was a Gryffindor, according to Jo's site.
Narcissa Black's birth year (along with Draco's) comes from a fuzzy picture of some of JKR's notes that were sold at a charity auction, and contained in an article by the Daily Telegraph.
Stephen Cornfoot, Tracey Davis, Kevin Entwhistle, Wayne Hopkins, Megan Jones, Su Li, ? Maltie, Li- Moon, ? Rivers, ? Roper, ? Runcorn, and ? Spinks come from a notebook shown in the BBC special Harry and Me. Some of the house sorting is wrong, however. Michael Corner and Anthony Goldstein ended up in Ravenclaw [OotP-16,38].
Three of the four "Marauders" are definitely Gryffindors according to the World Book Day chat. And Peter Pettigrew likely is a Gryffindor as well; it seems unlikely he would have glommed onto the "Marauders" if he was in another house.
Molly's last name (Prewett) comes from JKR's website.
Mafalda (female) is the missing Weasley cousin that we've all heard about (daughter of the accountant). Her name comes from JK Rowling's website.
Mopsey is a witch who would have kept Sirius while he was in dog form in GoF, but the idea was dropped. Her name comes from JK Rowling's website.
Argo Pyrites is a servant of Voldemort, but was dropped from the first book. His name comes from JK Rowling's website.
B. Dustan, S. Fawcett, K. Bundy, C. Warrington, J. Dorny, and S. Capper all signed out Quidditch Through the Ages [QTtA]. The 'C.' in C. Warrington and 'S.' in S. Fawcett are struck through because QTtA is the only place these initials are found (they're probably correct, but there's always the possibility that they're actually different people). In Book 1 Hermione lent QTtA to Harry before he began playing Quidditch. This happened in November of their first year [SS-11], but QTtA indicates it was checked out in March. The first entry is April 9, a year before Hermione's name appears, so presumably the March date is not indicating the first time she checked it out. Nevertheless, I placed B. Dunstan in the 1980's and the others in the 1990's since it seems likely he started earlier given that Dunstan's name falls within a list of people who started school in the late 80's (O. Wood, M. Flint, C. Diggory, and A. Johnson).
Glenda Chittock, Lorcan d'Eath, Laurentia Fletwock, Daisy Hookum, Tarquin McTavish, Carlotta Pinkstone, Hambledon Quince, Gaspard Shingleton, Erica Stainwright, Tilden Toots, Donaghan Tremlett, Fabius Watkins, and Devlin Whitehorn were all Wizards of the Month on JKR's website. Lorcan d'Eath, being part-vampire, may or may not have attended Hogwarts.
According to Jo Rowling's Black Family geneology chart, Sirius' brother Regulus died in 1979.
Narcissa Black [Malfoy] is tentatively placed starting in 1966 from the Black Family geneology chart. She is also tentatively placed in Slytherin as Slughorn indicated the "whole Black family" was in Slytherin, except for Sirius [HBP-4].
Bellatrix Black [Lestrange] was, according to the geneology chart, born in 1951, meaning she would have started Hogwarts in ~1962. Had Sirius not left the house to Harry, she would have inherited Grimmauld Place, according to Dumbledore, as she is the oldest living Black [HBP-3]. But in [GoF-27] Sirius says she was at school at the same time as him and Snape (part of gang of Slytherins). So the dates on the geneology chart may or may not be reliable.
Nymphadora Tonks was in Hufflepuff, according to Jo's site.
"Moaning" Myrtle was in Ravenclaw, according to Jo's site.
Jo originally said in a chat that Albus Dumbledore was about 150 years old, which placed his birth year in the 1840's. She gave his actual birth year as 1881 on her website. This later date aligns more with what Auntie Muriel said in [DH-8] when she gave an apparently contemporaneous report on the scandal surrounding the Dumbledore family (something she could not have done with a much older Dumbledore), so this date has been adjusted. At the same time Jo also gave his death year as 1996, but this conflicts with all we know of the basic timeline of the books, as Dumbledore's death occured at the end of Harry's sixth year, in 1997, so I left that part alone.
Astoria Greengrass (Draco's wife) was two years behind her sister Daphne, according to a 2007 Pottercast interview.
The middle names of Harry and Ginny's children (James Sirius, Albus Severus, and Lily Luna) come from the A Year in the Life special. Other children's names included Bill and Fleur Weasley's (Victoire, Dominique, and Louis), Percy and Audrey Weasley's (Molly and Lucy), George and Angelina Weasley's (Fred and Roxanne), Ron and Hermione Weasley's (Rose and Hugo), and Rolf and Luna Scamander's (Lorcan and Lysander).
FUNDAMENTAL DATES
Tom Riddle's and Hagrid's Years
- The Chamber of Secrets was opened during the 1942-43 school year, assuming that all the references to fifty years ago mean exactly fifty years.
  - Dumbledore: "I taught him myself, fifty years ago, at Hogwarts." [CoS-18]
- Tom Riddle was a fifth year prefect when the basilisk attacks first happened, and so started school in 1938 [CoS-12,13]. He was also 16 at the time [CoS-17]. And Rubeus Hagrid started in 1940 and was expelled during his third year, June 1943 [CoS-13].
- Be aware that the PoA DVD puts Riddle's release of the basilisk in 1942, which would affect his and Hagrid's years, but I've left it as exactly 50 years before CoS (1992-1993) due to all the references.
Voldemort's Murders and Horcruxes
- As above, Riddle was a fifth-year prefect when he used the basilisk to murder Myrtle.
- In the "summer of his sixteenth year" Tom Riddle killed his father and paternal grandparents and framed Morfin Gaunt [HBP-17]. That fact would place the murders between his fourth and fifth years (summer of 1942); before he released the basilisk, killing Myrtle.
- [GoF-1] places the murders at "fifty years before", which would be between Tom's sixth and seventh years (summer of 1944).
- But Riddle was a 16-year-old prefect when he was seen wearing Marvolo's Peverell ring while discussing Horcruxes with Slughorn, and about the same age as Harry (within a few months) according to Dumbledore (Harry is in his sixth year and within a few months of turning 17) [HBP-17,23]. This would place the murders between Tom's fifth and sixth years (summer of 1943).
- I chose to go with Dumbledore's assertion that the two boys are about the same age since the parallels between Riddle and Harry have been so pronounced throughout much of the book series. I also think it makes sense that Tom's first murder (Myrtle) wasn't actually done by him, and was more of a warm-up before he did the actual deed himself.
- Exactly when Tom created the diary and Peverell ring Horcruxes, and which soul fragments he used, is unclear. Slughorn only said a second spell needed to be used to encase the soul fragment after the murder was committed [HBP-23]. But Harry insists Dumbledore was sure that Voldemort had already created a Horcrux even before he met with Slughorn [DH-6].
- Referring to Hepzibah Smith's murder, Dumbledore says, "Voldemort had committed another murder; whether it was his first since he killed the Riddles, I do not know, but I think it was." [HBP-20]. Which puts Myrtle's murder first.
- Hepzibah Smith was murdered while Tom was still working at Borgin and Burkes, which he started at right after he left school in the summer of 1945. She was killed ten years before Tom sought the DADA position at Hogwarts. Tom stole Hufflepuff's cup (in Hepzibah's family for generations) and Slytherin's locket (formerly owned by Merope) from her [HBP-20].
- Voldemort murdered Dorcas Meadowes during the years of his ascendancy (1970-1981).
  - Dumbledore: "We've had precious little to celebrate for eleven years." [SS-1]
  - Moody: "That's Dorcas Meadowes, Voldemort killed her personally ..." [OotP-9]
- Voldemort murdered James and Lily Potter on the night of October 31, 1981 [SS-1, DH-17].
- Voldemort murdered Bertha Jorkins and Frank Bryce in the summer of 1994 [GoF-1]. He then turned Nagini into his final Horcrux, according to Dumbledore [HBP-23].
- Amelia Bones was murdered in June 1996, possibly by Voldemort himself (according to Cornelius Fudge) [HBP-1].
- The last unknown Horcrux is likely something of Gryffindor's or Ravenclaw's, according to Dumbledore [HBP-23].
- A post-Deathly Hallows chat hosted by Bloomsbury clarifies all the Horcruxes:
  1. Moaning Myrtle's murder became the diary Horcrux in June, 1943, and was given to Lucius Malfoy for safe-keeping shortly before the attack on the Potters [HBP-23]. Likely created before Tom asked Slughorn about them in late 1943 [DH-6]. Destroyed by Harry using a basilisk fang in May, 1993 [CoS-17].
  2. Tom Riddle, Sr's death became the Peverell ring Horcrux, and was hidden in the Gaunt's hovel [HBP-23]. Possibly created before or shortly after Tom's meeting with Slughorn in late 1943. Destroyed by Dumbledore using Gryffindor's sword in July, 1996 [HBP-4].
  3. An Albanian peasant's death became the Ravenclaw diadem (tiara) Horcrux, and was hidden in the Room of Requirement at Hogwarts, likely when Tom visited asking for a job [HBP-20, DH-31]. Possibly created after Tom left school, but before starting at Borgin and Burkes in 1945. Destroyed by Crabbe's Fiendfyre in May, 1998 [DH-31].
  4. Hepzibah Smith's death became the Hufflepuff cup Horcrux, and was hidden in the Lestranges' vault at Gringotts [DH-26,27]. Likely created shortly after Hepzibah's murder in the late 1940's. Destroyed by Hermione using a basilisk fang in May, 1998 [DH-31].
  5. A Muggle tramp's death became the Slytherin locket Horcrux, and was hidden in the cave [HBP-28, DH-29]. Likely created shortly after Hepzibah's murder in the late 1940's. Destroyed by Ron using Gryffindor's sword in December, 1997 [DH-19].
  6. Harry Potter himself accidentally became a repository for a part of Tom's soul when Voldemort tried to kill him October 31, 1981 [CoS-18, HBP-23, DH-35]. Destroyed by Voldemort using Avada Kedavra in May, 1998 [DH-34,35].
  7. Bertha Jorkins' death became the Nagini Horcrux, and stayed with Voldemort [GoF-1,33, DH-1,32,34,36]. Created June-July, 1994 [HBP-23]. Destroyed by Neville using Gryffindor's sword in May, 1998 [DH-36].
- Voldemort unknowingly split his soul into eight separate pieces (seven Horcruxes, plus his remaining soul inside himself), not the seven he desired.
Dumbledore Starting as Headmaster
- The language in [PoA-18] seems to suggest Dumbledore became Headmaster shortly before Lupin came to Hogwarts in 1971 ("It seemed impossible that I would be able to come to Hogwarts" ... "But then Dumbledore became Headmaster. He said that as long as we took certain precautions, there was no reason I shouldn't come to school.").
- But newly appointed Headmaster Dumbledore's interview with a job-seeking Voldemort happened 10 years after Hepzibah Smith's murder, suggesting a much earlier date, perhaps as early as 1955, depending on how long Tom worked at Borgin and Burkes [HBP-20].
- Seeking a middle ground on this one: If Dumbledore became Headmaster the same year Lupin was born (late 1959 or 1960), Riddle would have worked at Borgin and Burkes for about 5 years before robbing Hepzibah and disappearing.
Marauders' Years
- From the March 2001 Comic Relief, Rowling states that Snape is 35 or 36 (this is between GoF and OotP).
- Remus, James, Sirius, Peter, and Snape are all placed in the same year as they were taking their O.W.L.s together.
- Lily is also there as she is described as being with a group of girls that had just left the Hall and were by the lake when James began tormenting Snape [OotP-28].
- The dates on James and Lily's graves (March 27 and January 30, 1960) firmly sets their first year as 1971 [DH-16].
Snape's First Year Teaching at Hogwarts
- Snape has taught at Hogwarts for 14 years, placing him starting in either the 1981-82 year (if 14 full years) or 1982-83 [OotP-17].
- Snape was teaching before the attack on Harry [HBP-2], so the latest he could have started is 1981.
- But in [HBP-2], he says he returned to Voldemort's side two hours after Voldemort was resurrected in the graveyard [GoF-32], and had sixteen years of information for him, which would place Snape starting as Potions master in the 1979-80 school year.
- In [HBP-24] Trelawney suspects Snape was listening in on her and Dumbledore because he wanted a job; if accurate this puts Snape starting in the 1980-81 year.
The Weasley Age Problem
- Charlie Weasley's first year at Hogwarts is [edit: no longer] dated at eleven years before Harry's first year. Supporting evidence for the eleven years:
  - While there is a reference to Gryffindor not having won the Cup seven years before Harry arrived, that's talking about the House Cup, not the Quidditch Cup. "So -- new Gryffindors! I hope you're going to help us win the house championship this year? Gryffindors have never gone so long without winning. Slytherins have got the cup six years in a row!" - Sir Nick [SS-7]. "If they won their next match, against Hufflepuff, they would overtake Slytherin in the house championship for the first time in seven years." [SS-13]. So Gryffindor hadn't won the House Cup since the '84-'85 school year.
- According to the World Book Day chat, Bill is two years ahead of Charlie, which works fine, but Charlie is two years ahead of Percy which is inconsistent with the Quidditch dates above and would place his final year in Harry's first. But in [GoF-31] Bill does say that he hasn't seen the school for five years, which would actually be consistent with Charlie being two years ahead of Percy and Bill two years ahead of Charlie (Bill would have left in June, 1990).
  - This is important since Ginny says ("I've looked forward to coming to Hogwarts ever since B-Bill came and n-now I'll have to leave and -- w-what'll Mum and Dad say?" [CoS-17]), so Bill can't be too much older than Charlie if Ginny remembers him being at school.
- But if Charlie really is seven years ahead of Percy, then Oliver Wood (who says that Charlie was good enough to "have played for England if he hadn't gone off chasing dragons." in [CoS-10]) would never have seen him play as he started the year after Charlie would have left.
- JKR has clarified this on her website, saying that Charlie is three years above Percy and Bill two years above Charlie. This still makes it inconsistent with the known Quidditch dates (for Fred to be correct saying that Charlie left school after Gryffindor's last win (86-87 school year), Charlie would have spent only three years at Hogwarts), but oh well.
- Molly's minimum age: Assuming that Charlie Weasley started at Hogwarts in 1984 (as Jo now indicates), this means he was born in 1973 (or possibly late 1972, as Jo now indicates). And according to JKR's website, Bill was born on November 29 and is two years older than Charlie, who is 3 years above Percy. So Bill was conceived in early 1970. Assuming that Molly was not pregnant at Hogwarts and that she spent all seven years there, then Molly could have theoretically started Hogwarts as late as 1962. Arthur Weasley and Molly are placed in the 1960's just to get a rough idea; hopefully it's not too far off.
- Molly and Arthur got married quite quickly in the midst of Voldemort's last reign of power [HBP-5] (which began in 1970 [SS-1]), presumably shortly after leaving school, which argues for as late a date for their school years as possible. And the Whomping Willow was planted after Molly left [GoF-31], so her final year could be -- at latest -- the 1970-71 school year.
Harry's Years
- According to the writing on his cake Nearly Headless Nick died October 31, 1492 [CoS-8]. And he says, "Well, this Halloween will be my five hundredth deathday", which would actually peg the first term in CoS as 1991, but the CoS-DVD gives the year as 1992. 1992 being 500 years after 1492 seems easy to me (Jo has admitted to not being very good at math and so would likely go with the easiest explanation, IMO) so that's why I went with 1992, rather than a literal reading of the book. And if Nick actually meant "five hundredth deathday party or anniversary", that would definitely put CoS in the 1992-93 school year. Be aware that most of the dates listed on this page are based on this assumption! More discussion on the issue can be found at the Hogwarts Library (see main page for link).
- According to Jo's Black Family geneology chart Draco was born in 1980, which firmly sets Harry's first year as 1991.
SORCERER'S STONE
The attack on the Potters is given above as happening early Tuesday morning as there was no other way to reconcile the fact that the newsman Vernon was listening to comments that Bonfire Night (Guy Fawkes Day -- November 5) was "next week", while the day that Vernon went to work was a Tuesday. The Potters were attacked on Halloween (October 31), so the only way November fifth could be "next week" is if it was on Sunday, making that fateful Halloween the same Tuesday, very early a.m. Also, the report on the Tuesday evening news said people had been seeing owls "since sunrise". Additionally, McGonagall said that she'd been sitting on that wall "all day", not since last night, but "all day"; she complained, "A fine thing it would be if, on the very day You-Know-Who seems to have disappeared at last, the Muggles found out about us all." due to the boisterous celebrating; and she suggested, "I wouldn't be surprised if today was known as Harry Potter day in the future" [SS-1]. All of this indicates the attack happened in the wee hours of that Tuesday morning rather than Monday night. This no longer applies; see the DEATHLY HALLOWS section below.
There is indeed a full day between Hagrid fetching Harry from the rubble of his parents' house and when he delivered him to Privet Drive [SS-1].
Tom Riddle (Voldemort) was in Slytherin, according to Hagrid [SS-5] and Ron [SS-6]. And he's the heir of Slytherin [CoS-17].
All the Malfoys have been Slytherins, according to Draco [SS-5].
Dumbledore was in Gryffindor, according to Hermione [SS-6].
All of Ron's brothers (Bill, Charlie, Percy, Fred, and George) and his parents are Gryffindors [SS-6].
Hannah Abbott, Susan Bones, Terry Boot, Mandy Brocklehurst, Lavender Brown, Millicent Bulstrode, Crabbe (Vincent), Justin Finch-Fletchley, Seamus Finnigan, Goyle (Gregory), Hermione Granger, Neville Longbottom, Morag MacDougal, Draco Malfoy, Moon, Nott (Theodore), Parkinson, the Patil sisters (Padma, Parvati), Sally-Anne Perks, Harry Potter, Dean Thomas, Lisa Turpin, Ron Weasley, and Blaise Zabini are sorted in [SS-7].
I'm assuming Blaise Zabini is male. According to a Portuguese translation of the books, he is indeed male.
Oliver Wood is a fifth year Gryffindor, and Quidditch captain [SS-9].
Marcus Flint is a sixth-year Slytherin in SS, though he may have been held back a year as he's still playing Quidditch for Slytherin in PoA (and, indeed, according to JKR's website, he repeated a year). And Miles Bletchley, Terence Higgs, and Adrian Pucey are on the Slytherin Quidditch team, meaning they're at least second years [SS-11].
CHAMBER OF SECRETS
Ginny sorted into Gryffindor [CoS-5].
As he is no longer the Slytherin Seeker, it's possible that Terence Higgs left and so his first year may have been 1985. Then again, Malfoy may really have bought himself onto the team and Higgs was simply replaced [CoS-7].
All the Malfoys were in Slytherin, according to Ron [CoS-9].
Ernie (Macmillan) is a Hufflepuff [CoS-11].
Dumbledore was teaching Transfiguration at Hogwarts during Tom Riddle's time; Armando Dippet was headmaster then [CoS-13].
Penelope Clearwater started in 1988. She's a fifth-year prefect [CoS-14].
PRISONER OF AZKABAN
Oliver Wood is 17 and in his seventh year [PoA-8].
Cedric Diggory is a fifth year [PoA-9].
Davey Gudgeon nearly lost an eye to the Whomping Willow and students were forbidden to go near it (according to Lupin) [PoA-10].
Derek ? is a first year [PoA-11].
Cho Chang is a fourth year [PoA-13].
Roger Davies is Ravenclaw Quidditch captain [PoA-13].
Sirius was 16 when he sent Snape to meet Lupin in werewolf form [PoA-21].
GOBLET OF FIRE
Cedric Diggory is "around seventeen" during the Quidditch World Cup, a week and a half before the start of term [GoF-6].
Stewart Ackerley, Malcolm Baddock, Eleanor Branstone, Owen Cauldwell, Dennis Creevey, Emma Dobbs, Laura Madley, Natalie McDonald, Graham Pritchard, Orla Quirke, and Kevin Whitby are sorted in [GoF-12].
Fred and George Weasley turn 17 years old in April, 1995 [GoF-12].
Eloise Midgen - possibly a Hufflepuff as Hannah Abbott mentions her acne [GoF-13].
Fawcett and Summers are younger than 17, and were sent to the infirmary after trying to get their names in the GoF, and so may actually belong in 1989, not somewhere in the 90's [GoF-16].
Warrington probably started in 1988, though could be in 1989 as he supposedly put his name in the Goblet of Fire for consideration [GoF-16].
Rita Skeeter is 43 in the first term of book four, tentatively placing her starting in 1962 [GoF-18]. But it's also possible she didn't attend Hogwarts.
Bertha Jorkins was a few years ahead of Sirius and James at school [GoF-19].
Cho Chang is a year older than Harry [GoF-22].
Roger Davies is Ravenclaw Quidditch Captain, but his year is unknown [GoF-23].
Mr. Stebbins and Miss Fawcett are caught by Snape out in the rosebushes [GoF-23]. Be aware that the U.S. and U.K. editions of the book differ on which house they're in.
Snape was a part of a gang of Slytherins at school (according to Sirius): Rosier (Evan), Wilkes, The Lestranges (Bellatrix Black and Rodolphus), and Avery [GoF-27].
ORDER OF THE PHOENIX
Nymphadora Tonks is one year out of Auror training [OotP-3], which takes three years and they haven't taken anyone else on in three years [OotP-29].
Regulus Black was younger than Sirius [OotP-6].
Rabastan Lestrange (Rodolphus' brother) was with the Lestranges and Barty Crouch, Jr. at their trial [OotP-6].
Luna Lovegood is a Ravenclaw in Ginny's year [OotP-10].
Hannah Abbott, Anthony Goldstein, Hermione Granger, Ernie Macmillan, Draco Malfoy, Pansy Parkinson, Padma Patil, and Ron Weasley are fifth year prefects in [OotP-10].
Euan Abercrombie and Rose Zeller are sorted in [OotP-11].
Patricia Stimpson and Kenneth Towler are Gryffindors in Fred/George's year [OotP-12].
Geoffrey Hooper and Vicky Frobisher are Gryffindors who tried out for Keeper [OotP-13].
Assuming that Sturgis Podmore attended Hogwarts and started at age 11, his first year would be in 1968 as he is 38 in [OotP-14].
Lucius Malfoy is 41 in first term in OotP. "... said Mr. Lucius Malfoy, 41, speaking from his Wiltshire mansion last night." [OotP-15]
McGonagall started teaching in Dec 1956 (39 years in book 5) [OotP-15].
Trelawney started teaching in 1979 or 1980 (nearly 16 years in book 5) [OotP-15].
? Bole and ? Derrick were Beaters on Slytherin's team, but are gone by Harry's fifth year [OotP-19].
Since Miles Bletchley and Adrian Pucey are still playing Quidditch in OotP (they were also in SS), this places them starting in either 1989 or 1990 [OotP-19].
Andrew Kirke and Jack Sloper are the new Gryffindor beaters [OotP-21].
Broderick Bode is 49 in very early Jan 1996, and so could very well have started Hogwarts in 1957 [OotP-25]. But it's also possible he didn't attend Hogwarts.
? Summerby is a Hufflepuff Seeker [OotP-26].
? Stebbins in James' year was sitting for his O.W.L. [OotP-28].
Roger Davies is still a Ravenclaw Quidditch captain (third year running), so he likely started Hogwarts in 1989 [OotP-30].
Chambers is on the Ravenclaw Quidditch team. He may have started in the late eighties or early nineties [OotP-31].
Eddie Carmichael is a Ravenclaw sixth year in OotP [OotP-31].
Harold Dingle is trying to sell firewhisky; he's probably a Gryffindor, but there's nothing definitive to indicate his house [OotP-32].
HALF-BLOOD PRINCE
Except for Sirius, all the Blacks (including his younger brother Regulus) had been in Slytherin, according to Horace Slughorn [HBP-4]. Regulus was younger than Sirius [OotP-6], and died a disenchanted Death Eater around 1979-1980 (presumably after leaving school) so I placed him at Hogwarts in the 70's.
Dirk Cresswell is a year younger than Lily [HBP-4].
Horace Slughorn started teaching at Hogwarts at about the same time as Dumbledore (according to Molly) [HBP-5].
Romilda Vane is a fourth-year [HBP-7] Gryffindor [HBP-11].
Marcus Belby (a Ravenclaw) and Cormac McLaggen (a Gryffindor) are seventh-years [HBP-7].
Katie Bell is in her seventh year [HBP-9].
Assuming he did go to Hogwarts, Stan Shunpike is 21 in [HBP-11].
Demelza Robins is a Gryffindor [HBP-11].
Jimmy Peakes is a third-year Gryffindor [HBP-11].
Ritchie Coote is a Gryffindor [HBP-11].
Vaisey is a Slytherin Chaser [HBP-14].
Harper is a Slytherin in Ginny's year [HBP-14].
Urquhart is the new Slytherin Captain [HBP-14].
Harry's copy of Advanced Potion-Making is nearly 50 years old. It was owned by Eileen Prince, but whether she was the first owner of the book is not known. That's the assumption here, so she is tentatively placed starting in the 1940's [HBP-16].
Avery and Lestrange were students at Hogwarts during Tom Riddle's time, and were friends with Riddle (probably Slytherins) [HBP-17].
Leanne is a friend of Katie Bell's (house and year unknown) [HBP-18].
Cadwallader is a Hufflepuff Quidditch player [HBP-19].
Dolohov, Mulciber, Nott, and Rosier are mentioned in [HBP-20] as waiting for Voldemort's job interview with Dumbledore. Evan Rosier hung with Snape while at school [GoF-27], so he and 'Rosier' can't be the same person.
The Montgomery sisters (that's why the name is listed twice) are mentioned in [HBP-22].
Katie Bell is with a group of fellow seventh-years who are going to Transfiguration [HBP-24].
Bertram Aubrey was cursed by James and Sirius [HBP-24].
DEATHLY HALLOWS
Lily's letter to Sirius thanking him for Harry's toy broomstick indicates that they were already in hiding (whether under the Fidelius Charm yet is unclear), Dumbledore already had James' Cloak, and that a "down" Wormtail visited last weekend [DH-10]. In [DH-35] Dumbledore says: "You have guessed, I know, why the Cloak was in my possession on the night your parents died. James had showed it to me just a few days previously.", which places their meeting after the Fidelius Charm had been cast. Because all this is mentioned in Lily's letter, I have to conclude she took a good three months to finally thank Sirius for Harry's present, and that James was able to meet with Dumbledore after the Fidelius was in place, but without Dumbledore knowing who the Secret-Keeper really was, so that he gave evidence about Sirius' guilt to the Ministry [PoA-21].
James Potter was born March 27, 1960 [DH-16].
Lily Potter was born January 30, 1960 [DH-16].
The attack on the Potters is given as occuring on Halloween night [DH-17]. A trick-or-treater even comments on Voldemort's "costume" as he approaches the Potters' [DH-17]. This contradicts the calculations done above which tried to explain the fact that Guy Fawkes Day was "next week", as well as the references to that day being known as "Harry Potter Day", which McGonagall actually discusses the next day. The Timeline has been adjusted to fit with Deathly Hallows.
Born in April, 1998, Teddy Lupin would start Hogwarts in 2009 [DH-25].
Petunia is older than Lily [DH-33].
James Potter's father was a Gryffindor [DH-33].
Because prefect Lucius Malfoy welcomes Snape to Slytherin in [DH-33], it's possible that he started in 1966 rather than 1965 since we don't know if any seventh-year prefects exist.
Mary told Lily that Snape was waiting for her outside the Gryffindor common room in [DH-33], so I placed her as a Gryffindor in the 1970's.
Harry is Ignotus Peverell's last living descendant [DH-34].
Albus Potter and Rose Weasley start Hogwarts in 2017 (19 years after end of Deathly Hallows). Scorpius Malfoy likely does as well given that Hermione say "Don't try to turn them [Rose and Scorpius] against each other before they've even started school!" [DH-37].
James Potter is ahead of Albus, but his year and house are unknown [DH-37].
Lily Potter has to wait two years before she starts at Hogwarts [DH-37].
Hugo Weasley is not yet school-age, and will likely start in the 2020's [DH-37].
Victoire Weasley (Bill and Fleur's eldest daughter [JKR chat]) is still at Hogwarts, and since she's dating Teddy Lupin, but wasn't shown to have been born during Book 7, she likely started in the early 2010's [DH-37].

The following table assumes that Charlie Weasley is three years above Percy (and Bill is two years above Charlie) and that Hermione is older than Harry (as Jo's website now says). All the rest of the info is known. The different colored months between the years 1991-1992 roughly indicate the three school terms (Autumn: September up to Christmas, Spring: January up to Easter, Summer: Easter through June).

	1976												1977												1978												1979												1980
	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D
BOOKS
James Potter	-warts 5								Hogwarts 6												Hogwarts 7
Lily Evans	-warts 5								Hogwarts 6												Hogwarts 7
Harry Potter																																																							b
Hermione Granger																																													b
Ron Weasley																																																			b
Fred/Geo Weasley																												b
Ginny Weasley
Percy Weasley								b
Charlie Weasley
Bill Weasley

	1981												1982												1983												1984												1985
	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D
BOOKS										Sorcerer's Stone ...
James Potter										d
Lily Evans										d
Harry Potter
Hermione Granger
Ron Weasley
Fred/Geo Weasley
Ginny Weasley								b
Percy Weasley
Charlie Weasley																																													Hogwarts 1												Hog-
Bill Weasley																					Hogwarts 1												Hogwarts 2												Hogwarts 3												Hog-

	1986												1987												1988												1989												1990
	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D
BOOKS	... Sorcerer's Stone ...
James Potter
Lily Evans
Harry Potter
Hermione Granger
Ron Weasley
Fred/Geo Weasley																																													Hogwarts 1												Hog-
Ginny Weasley
Percy Weasley																					Hogwarts 1												Hogwarts 2												Hogwarts 3												Hog-
Charlie Weasley	-warts 2								Hogwarts 3												Hogwarts 4												Hogwarts 5												Hogwarts 6												Hog-
Bill Weasley	-warts 4								Hogwarts 5												Hogwarts 6												Hogwarts 7

	1991												1992												1993												1994												1995
	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D
BOOKS	... Sorcerer's Stone																		Chamber of Secrets												Prisoner of Azkaban												Goblet of Fire												Order of ...
James Potter
Lily Evans
Harry Potter									Hogwarts 1												Hogwarts 2												Hogwarts 3												Hogwarts 4												Hog-
Hermione Granger									Hogwarts 1												Hogwarts 2												Hogwarts 3												Hogwarts 4												Hog-
Ron Weasley									Hogwarts 1												Hogwarts 2												Hogwarts 3												Hogwarts 4												Hog-
Fred/Geo Weasley	-warts 2								Hogwarts 3												Hogwarts 4												Hogwarts 5												Hogwarts 6												Hog-
Ginny Weasley																					Hogwarts 1												Hogwarts 2												Hogwarts 3												Hog-
Percy Weasley	-warts 4								Hogwarts 5												Hogwarts 6												Hogwarts 7
Charlie Weasley	-warts 7
Bill Weasley

	1996												1997												1998												1999												2000
	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D	J	F	M	A	M	J	J	A	S	O	N	D
BOOKS	... the Phoenix						Half-Blood Prince												Deathly Hallows
James Potter
Lily Evans
Harry Potter	-warts 5								Hogwarts 6
Hermione Granger	-warts 5								Hogwarts 6
Ron Weasley	-warts 5								Hogwarts 6
Fred/Geo Weasley	-warts 7
Ginny Weasley	-warts 4								Hogwarts 5												Hogwarts 6
Percy Weasley
Charlie Weasley
Bill Weasley

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