National Foundation Day (substitute day)

National Foundation Day (substitute day) has already passed this year. It was 351 days ago (Tuesday). If you're looking for the next occurrence, it will be on October 5 next year.

Yes — but this is a substitute day for National Foundation Day (substitute day) in 대한민국. A substitute day means the holiday was moved to this date (often because the original date fell on a weekend or another holiday). This is common in countries with strict working-day regulations. Treat Monday, October 5, 2026 as the official observed holiday in 대한민국.

National Foundation Day (substitute day) falls on Tuesday, Monday, October 5, 2026. Date: Monday, October 5, 2026 Year: 2027 Weekday: Tuesday Month: October Country: 대한민국

Here are the upcoming dates for National Foundation Day (substitute day) in 대한민국: • 2026: October 5 (Monday) • 2027: October 4 (Monday) • 2028: October 5 (Thursday) Please note that holiday dates can occasionally be officially adjusted. Always check 대한민국's official holiday calendar for the most up-to-date information.

National Foundation Day (substitute day) is marked as a substitute day in 대한민국 for 2027. This usually happens when: • The original holiday date falls on a weekend • The holiday overlaps with another public holiday • Government regulations require a working-day substitute In these cases, the substitute day becomes the official observed holiday — meaning offices, schools, and businesses close on Monday, October 5, 2026 instead. Tip: Always verify with local sources since substitute rules can vary by year and region.

The countdown shows the number of calendar days between today and National Foundation Day (substitute day). How it works: 1. We use the official holiday date: 2027-10-05 2. We compare it against today's date 3. The difference (in full calendar days) is shown as the countdown Important details: • The countdown uses calendar days, not exact hours/minutes • It refreshes automatically once every hour while you have the page open • If National Foundation Day (substitute day) has already passed this year, the page shows how many days ago it was • If today is the holiday, you'll see a special "Today is the day!" message 🎉

National Foundation Day (substitute day) for 2027 has already passed. Schools and businesses in 대한민국 were typically closed on that day. For the next occurrence, the same closure rules usually apply — but always check local announcements since opening hours can vary by region.

You can use the Share button on this page to send the countdown link to friends, family, or colleagues. Recommended ways to share: • Share button — uses your device's native share menu (WhatsApp, Messages, Email, etc.) • Copy Date button — copies the holiday name and date to your clipboard To set a reminder: 1. Open your phone or computer calendar 2. Create a new event on Monday, October 5, 2026 3. Set a reminder for 1 week and 1 day before This way you'll never miss National Foundation Day (substitute day) again! 🎉

You may occasionally see a different date for National Foundation Day (substitute day) on other websites. Here's why: Common reasons: 1. Regional variations — Some holidays are observed differently in different states or provinces within 대한민국 2. Substitute days — If the original date fell on a weekend, a substitute day may be used 3. Calendar versions — Different holiday libraries update at different times 4. Religious vs. civil — Some holidays have both a religious date and an official civil observance date For National Foundation Day (substitute day) in 대한민국: we use the official date Monday, October 5, 2026 for 2027. Best practice: Always verify with 대한민국's official government holiday calendar for critical scheduling.

Holiday: National Foundation Day (substitute day) Country: 대한민국 Date: Monday, October 5, 2026 Weekday: Tuesday Year: 2027 Status: 351 days ago Type: Substitute day Next year: October 5 Upcoming years tracked: 2