Monacoの公的祝日 12月 2026

12月 2026 in Monaco runs 31 calendar days, the depth of Northern-hemisphere winter and Southern-hemisphere summer. Monaco observes 2 public holidays in 12月 2026: The Immaculate Conception, ​Christmas Day. 2 of those fall on weekdays and reduce the working-day count accordingly. That leaves 21 working days for Monaco businesses, payroll cycles, and project schedules in 12月 2026. 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 2026 calendar for Monaco or the global view of holidays observed in 12月 2026 across all 190 countries we cover.