December 31

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 December 31 in brief

Summary December 31December 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.