South Koreaの公的祝日 10月 2027

10月 2027 in South Korea runs 31 calendar days, Northern-hemisphere autumn and Southern-hemisphere spring. South Korea observes 2 public holidays in 10月 2027: National Foundation Day, Hangul Day. Because all 10月 2027 holidays fall on the weekend (or there are none), every weekday remains a working day. That leaves 21 working days for South Korea businesses, payroll cycles, and project schedules in 10月 2027. October hosts Indigenous Peoples' Day / Columbus Day in the Americas on the second Monday and Reformation Day in northern-European Protestant traditions on the 31st. For broader context, see the full 2027 calendar for South Korea or the global view of holidays observed in 10月 2027 across all 190 countries we cover.