5 December is the 339th day of the year (340th in leap years). There are 26 days remaining.
- 1992: Hermione Granger continues to brew a Polyjuice Potion in the Second-floor girls' lavatory.
- 1995: Ron Weasley and Hermione's Prefect duties become more onerous: they must supervise Castle decoration, patrol the corridors at night and supervise First and Second years on their breaks.
- 5 December on Wikipedia