Tonga public holidays in December 2027

December 2027 in Tonga runs 31 calendar days, the depth of Northern-hemisphere winter and Southern-hemisphere summer. Tonga observes 5 public holidays in December 2027: Anniversary of the Coronation of King Tupou I, Day off for Anniversary of the Coronation of King Tupou I, Christmas Day, Boxing Day, Day off for Boxing Day. 2 of those fall on weekdays and reduce the working-day count accordingly. That leaves 21 working days for Tonga 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 Tonga or the global view of holidays observed in December 2027 across all 190 countries we cover.