December 31 is the 365th day of the year (366th in leap years).
It is known by a collection of names including: Saint Sylvester's Day, New Year's Eve or Old Year’s Day/Night, as the following day is New Year's Day. It is the last day of the year; the following day is January 1, the first day of the following year.
"We are dying from overthinking. We are slowly killing ourselves by thinking about everything. Think. Think. Think. You can never trust the human mind anyway. It’s a death trap."
Sir Anthony Hopkins
Born today
Sir Anthony Hopkins, 1937, Welsh actor and director
Observances
International Solidarity Day of Azerbaijanis (Azerbaijan)
New Year's Eve (International observance), and its related observances:
First Night (United States)
Last Day of the Year or Bisperás ng Bagong Taón, special holiday between Rizal Day and New Year's Day (Philippines)
Novy God Eve (Russia)
Ōmisoka (Japan)
The first day of Hogmanay or "Auld Year's Night" (Scotland)
The seventh of the Twelve Days of Christmas (Western Christianity)
The sixth and penultimate day of Kwanzaa (United States)
No Interruptions Day (US)
New Year’s Eve (US)
Unlucky Day (US)
