1 September

September 1 is the 244th day of the year (245th in leap years). There are 121 days remaining until the end of the year.

Events

 * The Hogwarts Express leaves London at precisely eleven o'clock in the morning, and arrives at Hogsmeade Station sometime after nightfall. The Sorting ceremony takes place in the Great Hall and the Hogwarts school year starts.
 * 1991: Harry Potter, Hermione Granger, and Ron Weasley get sorted into Gryffindor.
 * 1991: Dudley Dursley is in London having removed his tail created by magic.
 * 1992: Harry Potter and Ron Weasley miss the Hogwarts Express and travel to the School with the Flying Ford Anglia. They crash onto the Whomping Willow.
 * 1993: Dementors board the Hogwarts Express during the trip to Hogwarts. Remus Lupin drives them away from Harry Potter.
 * 1994: During the early morning, Amos Diggory calls on Arthur Weasley to help Alastor Moody after a disturbance at his house. Bartemius Crouch Jr. (impersonating Moody), who has abducted Moody, claims he has been attacked by burglars.
 * 1996: The first meeting of the Slug Club takes place on the Hogwarts Express. Harry sneaks into Draco Malfoy's compartment and gets Stunned. Nymphadora Tonks rescues him and Severus Snape takes him in to the Welcoming Feast.
 * 1997: More Death Eaters appear outside 12 Grimmauld Place. The Daily Prophet announces that Severus Snape is made Headmaster of Hogwarts School. Harry, Ron, and Hermione decide to infiltrate the Ministry of Magic the next day.
 * 2009: Teddy Lupin begins at Hogwarts and was sorted into Gryffindor house.
 * 2011 or 2012: Victoire Weasley begins at Hogwarts.
 * 2013-2016: James Potter II begins at Hogwarts and is sorted into Gryffindor house.
 * 2017: Albus Potter, Rose Weasley, and Scorpius Malfoy begin at Hogwarts.