December 23, 2011
- State holidayChristmas Eve (observed)
- State holidayWashington's Birthday
EVENTS & OBSERVANCES · UNITED STATES
1960–2030Explore the archive
December 2011 observances.
Holidays, cultural dates and regional observances. Explore each date and its sources.
December 24, 2011
- U.S. observanceChristmas Eve
December 25, 2011
- U.S. federal holidayChristmas Day
December 26, 2011
- U.S. federal holidayChristmas Day (observed)
- State holidayDay After Christmas
December 31, 2011
- U.S. observanceNew Year's Eve
Calendar sources: OPM, US holiday calendar. Regional and observed dates are labelled on each entry.