Last updated: July 2026
Quick answer: South Korea’s Liberation Day (광복절) falls on Saturday, August 15, 2026. Because the holiday lands on a weekend, the government designates Monday, August 17, 2026 as a substitute public holiday (대체공휴일) — a full day off for government offices, banks, and schools. Subways, palaces, restaurants, and shops all stay open as usual, so the impact on a Seoul itinerary is minor. Plan any banking or visa-office errands around it, and expect slightly busier palaces and parks with domestic travelers on a long weekend.
Why Is August 17 a Holiday If Liberation Day Is August 15?
Liberation Day (광복절, Gwangbokjeol) marks Korea’s liberation from Japanese colonial rule on August 15, 1945, and is one of the country’s most significant national holidays. In 2026, August 15 falls on a Saturday — which would normally mean office workers lose the day off entirely, since it overlaps a weekend rather than a weekday.
To prevent that, Korea’s substitute holiday system (대체공휴일) shifts the day off to the next available weekday. Since August 15 is a Saturday and August 16 (Sunday) is already a non-working day, the substitute holiday moves to Monday, August 17, 2026. That makes it the official day off for the general public, with schools and most businesses closed, per Korea’s public holiday calendar.
What Closes on August 17, 2026?
The substitute holiday follows the same pattern as any other Korean public holiday:
- Government offices — immigration offices, city halls, and district offices (구청) are closed
- Banks and post offices — branch counters close; ATMs keep working
- Schools and universities
- Most corporate offices — expect slower response times from Korean businesses
The following stay open as normal:
- Seoul Metro and buses — public transport runs a standard schedule on national holidays
- AREX airport express — normal service between Incheon Airport and Seoul Station
- Royal palaces — Gyeongbokgung, Changdeokgung, and Deoksugung remain open to visitors
- Convenience stores — CU, GS25, 7-Eleven, and Emart24 operate 24 hours
- Restaurants, cafés, and markets
- Department stores and malls — Lotte, Shinsegae, and Hyundai keep regular hours
How Does This Affect a Trip to Seoul in Mid-August?
For visitors, the practical impact is small. The subway system — the backbone of getting around the city — runs its normal holiday schedule, so sightseeing plans don’t need to change. See the Seoul transit guide for T-money card setup and line details if you haven’t sorted transport yet.
A few things worth planning around:
- Banking and currency exchange: branch counters are closed, but airport and hotel exchange desks usually operate, and ATMs are everywhere. Handle any large cash exchange the Friday before.
- Immigration appointments: any scheduled visit to the Korea Immigration Service should be moved — check the office calendar if that’s part of your itinerary.
- Domestic crowds: a Saturday–Sunday–Monday long weekend means more Korean families out sightseeing. Arrive at Gyeongbokgung or Changdeokgung before 10:00 to beat both the queue and the midday heat, which regularly tops 30–33 °C in mid-August. The seasonal travel guide covers what to expect from Seoul weather month by month.
What Can I Do in Seoul on the Liberation Day Holiday?
Unlike Constitution Day, which passes largely unmarked, Liberation Day carries real historical weight and a handful of sites tied to it are worth building into a mid-August visit:
- Dongnimmun (Independence Gate) — built in 1897 to symbolize Korea’s sovereignty, this arch near Seodaemun Independence Park is the most direct landmark connected to the holiday’s meaning.
- Seodaemun Prison History Hall — the former colonial-era prison where independence activists were held, now a museum documenting the resistance movement.
- Gyeongbokgung Palace — the 10:00 Changing of the Guard ceremony runs as usual on the holiday, and the palace tends to be at its most atmospheric on national commemorations.
- Han River parks — a lower-key option: Yeouido and Ttukseom riverside parks are a short subway ride from most of the city and a good way to escape indoor crowds on a hot long weekend.
For everything else worth doing nearby, the Seoul things-to-do guide organizes palaces, markets, and day-trip ideas by interest and time available. If this is your first public holiday in Korea, the Constitution Day travel guide covers the same closed-vs-open pattern in more detail and is worth a quick read before you go.
Quick Summary: Korea Liberation Day Substitute Holiday 2026
- Liberation Day: Saturday, August 15, 2026
- Substitute holiday (day off): Monday, August 17, 2026
- What it marks: Korea’s liberation from Japanese colonial rule in 1945
- Closed: Government offices, banks, schools
- Open: Subway, palaces, restaurants, shops, convenience stores
- Traveler impact: Low — plan banking/admin around the day before, expect busier palaces on the long weekend