Sao Tome and Principe public holidays in December 2027

December 2027 in Sao Tome and Principe runs 31 calendar days, the depth of Northern-hemisphere winter and Southern-hemisphere summer. Sao Tome and Principe observes 4 public holidays in December 2027: São Tomé Day, Day off for Christmas Day, Christmas Day, Day off for New Year. 3 of those fall on weekdays and reduce the working-day count accordingly. That leaves 20 working days for Sao Tome and Principe 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 Sao Tome and Principe or the global view of holidays observed in December 2027 across all 190 countries we cover.