4 January is the 4th day of the year. There are 361 days until the end of the year (362 in leap years).
- 1993: The second term of the 1992–1993 school year at Hogwarts begins.
- 1995: The second term of the 1994–1995 school year at Hogwarts begins. Rita Skeeter's article about Rubeus Hagrid is published in the Daily Prophet. Wilhelmina Grubbly-Plank teaches the Fourth years about Unicorns in Care of Magical Creatures class.
Behind the scenes
- 1938: Jim Norton, who played Mr. Mason in the film adaptation of Harry Potter and the Chamber of Secrets, is born.