16 January is the 16th day of the year. There are 349 days until the end of the year (350 in leap years).
- 1995: Harry Potter, Ronald Weasley and Hermione Granger see Viktor Krum diving into the Black Lake in nothing but swimming trunks. A Hogsmeade weekend trip takes place. The trio has a run-in with Rita Skeeter and Bozo at the Three Broomsticks Inn. Later, Albus Dumbledore and the trio convince Rubeus Hagrid to return to work as Care of Magical Creatures teacher.