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 Moaning Myrtle's Bathroom.
- 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