South Korea public holidays in October 2026

October 2026 in South Korea runs 31 calendar days, Northern-hemisphere autumn and Southern-hemisphere spring. South Korea observes 4 public holidays in October 2026: National Foundation Day, Day off for National Foundation Day, Hangeul Proclamation Day, Hangul Day. 3 of those fall on weekdays and reduce the working-day count accordingly. That leaves 19 working days for South Korea businesses, payroll cycles, and project schedules in October 2026. 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 2026 calendar for South Korea or the global view of holidays observed in October 2026 across all 190 countries we cover.