This is the first listed date for this year; a separate observance date has not been assigned.
About National Day
National Foundation Day, or Gaecheonjeol, is observed on 3 October. This National Day page represents South Korea's statutory commemoration of the legendary founding of Gojoseon.
Public holiday / closure dates
— Public of holiday period · Confirmed — source checked
Bank, office and school arrangements require the applicable authority or institution notice. Missing scope data does not mean open.
Next supported occurrence
Sunday, 3 October 2027 · Confirmed — source checked
Next listed holiday day on or after today; this can be a closure day rather than the festival date.
2027 dates
— Public of holiday periodConfirmed — source checked
2028 dates
— Public of holiday periodConfirmed — source checked
Official sources and date status
Recorded confirmation and independent source review are shown separately. An institution-specific notice does not establish closure for every employer or school.
South Korea follows the Public Holidays Act and KASI calendar material. Labour Day and Constitution Day are public holidays under 2026 amendments; election or temporary holidays appear only when officially established. The 2028 KASI calendar is provisional.
Office arrangements
National Foundation Day is a statutory public holiday, so government offices close subject to essential-service rosters.
Bank arrangements
Branches generally close on National Foundation Day; electronic access and settlement timing follow bank notices.
School arrangements
Schools do not hold ordinary classes on the public holiday, subject to their published academic calendars.
History
Gaecheonjeol means the day the heavens opened. It connects the modern republic's civic calendar with the traditional foundation narrative associated with Dangun and 2333 BCE.
Why it matters
National Foundation Day in South Korea affects public services, workplace calendars, banking and travel planning. Confirm operational details with the relevant institution when timing is critical.
Observance
National ceremonies, flag displays and cultural programmes mark Korean history and identity. The observance is civic and historical rather than an independence anniversary.
Travel and planning
National Foundation Day events may affect central ceremonial areas on 3 October; transport changes are local and should be checked against official notices.
Frequently asked questions
When is National Foundation Day in South Korea?
It is fixed on 3 October.
Is it a public holiday?
Yes. It is covered by South Korea's current statutory holiday framework.
Are banks and offices closed?
Bank branches generally close, while online services continue. Transactions requiring branch or interbank processing may resume on the next banking day.