Indonesiaの公的祝日 1月 2026

1月 2026 in Indonesia runs 31 calendar days, the depth of Northern-hemisphere winter and Southern-hemisphere summer. Indonesia observes 2 public holidays in 1月 2026: New Year's Day, Ascension of the Prophet Muhammad. 2 of those fall on weekdays and reduce the working-day count accordingly. That leaves 20 working days for Indonesia businesses, payroll cycles, and project schedules in 1月 2026. January opens the global calendar with New Year's Day observed in nearly every country and several civic holidays unique to the southern hemisphere. For broader context, see the full 2026 calendar for Indonesia or the global view of holidays observed in 1月 2026 across all 190 countries we cover.