31 December

December 31 is the 365th day of the year in the Gregorian calendar. It is known by a collection of names including: Saint Sylvester’s Day, New Year’s Eve or Old Years Day. The following day is New Years Day, as the next day is January 1.

About 31 December in brief

Summary 31 DecemberDecember 31 is the 365th day of the year in the Gregorian calendar. It is known by a collection of names including: Saint Sylvester’s Day, New Year’s Eve or Old Years DayNight. The following day is New Years Day, as the next day is January 1.