December 31 Holidays & Observances
1 holiday observed on December 31 in the 2026–2030 window.
View all December holidays
See every observance across December in one monthly calendar.
December calendar →December 31 — quick answers
- How many holidays fall on December 31?
- In the 2026–2030 window, 1 holiday and observance falls on December 31: New Year's Eve.
- What is celebrated on December 31?
- December 31 is home to New Year's Eve. Each one has its own page with history and a live countdown.
- Are any December 31 holidays public holidays?
- None of the observances on December 31 are US federal holidays; they are celebrated informally by people, brands and communities.