Skip to content

National Foundation Day in South Korea

2026 holiday dates

Saturday, 3 October 2026

Confirmed — source checked

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.

astro.kasi.re.kr

Official public holiday law or calendar

Confirmed · Scope: public · Checked 2026-09-27

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.

View all South Korea public holidays 2026

Holiday guides

Holiday Tools

View all tools →