United States public holidays in December 2027

December 2027 in United States runs 31 calendar days, the depth of Northern-hemisphere winter and Southern-hemisphere summer. United States observes 3 public holidays in December 2027: Christmas Day (observed), Christmas Day, New Year's Day (substitute). 2 of those fall on weekdays and reduce the working-day count accordingly. That leaves 21 working days for United States businesses, payroll cycles, and project schedules in December 2027. December centres on the Christmas long weekend in Christian countries and a cluster of solstice and winter-celebration days globally. For broader context, see the full 2027 calendar for United States or the global view of holidays observed in December 2027 across all 190 countries we cover.