7 January is the 7th day of the year. There are 358 days until the end of the year (359 in leap years).
- 1996: The Hogwarts Express brings students back to Hogwarts School after the Christmas Holidays. Harry, Ron, Hermione, Ginny, Fred, and George ride the Knight Bus to Hogsmeade. This is the second term of the 1995-1996 school year.
- 1997: Potions master Horace Slughorn presented each of his sixth-year Potions students with a phial of this poison so that they could brew an adequate antidote under the principle of Golpalott's Third Law.