National Foundation Day2026 · Date · History · Messages
Prime Minister’s Office of Japan
About National Foundation Day
National Foundation Day in Japan (Kenkoku Kinen no Hi) is observed on February 11. It is a statutory Japanese national holiday and is not the same as the similarly named observances in other countries.
Japan’s Cabinet Office lists February 11 in both its 2026 and 2027 national-holiday tables. Legal substitute-day rules must be evaluated separately from the nominal commemoration date.
Why National Foundation Day matters
The official purpose is to reflect on the founding of Japan and cultivate care for the country. The holiday’s meaning draws on traditions about Japan’s origins rather than a modern documentary founding certificate for the legendary ancient date.
Visitors and residents should check schools, offices and specific services for closure arrangements without assuming every workplace has the same schedule.
History of National Foundation Day
Japan added National Foundation Day through the 1966 revision of the Act on National Holidays.
A separate cabinet ordinance in December 1966 fixed February 11 after a consultation process, as explained in the Cabinet Office’s current historical account. The symbolic ancient foundation tradition should not be presented as established modern historical chronology.
How the observance developed
This timeline uses documented milestones from reviewed sources. Missing stages are left out rather than guessed.
Government of Japan / National Diet and Cabinet
1966 amendment of Act on National Holidays; Cabinet Ordinance No. 376 (1966)
Government of Japan (official national-holiday framework)
Cabinet Office publishes legal holidays and annual tables.
What the evidence establishes
Confirmed institutional roles and milestones are shown first. Details that could not be established from the reviewed sources are listed separately below.
4 fields not established in reviewed sources
How to Observe National Foundation Day
Read the Cabinet Office’s current legal calendar.
Explore Japanese civic history, chronology and cultural heritage through museum or university resources.
Respect that people may interpret national history and civic identity differently.
Confirm observed closure and substitution dates for the relevant year before planning travel.
National Foundation Day Facts
National Foundation Day in Japan is February 11.
The date is set by a 1966 cabinet ordinance.
It is a Japanese statutory national holiday under the national holidays framework.
Ancient legendary founding stories are distinguished from the modern holiday law.
National Foundation Day Messages
Wishing a thoughtful National Foundation Day to everyone observing in Japan.
May today offer a moment to explore history with curiosity and perspective.
May the holiday encourage respectful reflection on past and present.
Topic and context
What this page does not assume
- Keep the source-defined country, community, organizer or institutional scope; do not silently broaden it.
- Do not treat the title alone as proof of government recognition or public-holiday status.
- Do not add a creator, founding story or origin claim unless the supporting evidence establishes it.
- Remembrance Civic Context Care.
Evidence & sources
Sources used across the guide are gathered here. Labels show how each source supports the page, and contextual references are kept separate from primary evidence.
Japan Cabinet Office — Foundation Day purpose and 1966 history (opens in a new tab)
Japan Cabinet Office — National holidays, ordinances and 2026/2027 tables (opens in a new tab)
Prime Minister’s Office of Japan — National Foundation Day 2026 message (opens in a new tab)
National Government Public Holiday
Understand it, compare it, then explore further
Start with the most common factual questions, then compare closely related observances and explore useful connections.
Frequently asked questions
When is National Foundation Day?
11 February The documented recurrence rule is: 11 February.
Does National Foundation Day fall on the same date every year?
Yes. It uses a fixed annual date unless stronger evidence changes the pattern.
Is National Foundation Day an official public holiday?
Within the reviewed scope, it is identified as Japan national public holiday. That status is not automatically extended to other countries or jurisdictions.
Who established or recognizes National Foundation Day?
The reviewed sources identify Government of Japan / National Diet and Cabinet as the proclaiming or establishing body. Current facilitation or coordination is recorded as Government of Japan (official national-holiday framework).
Is National Foundation Day international or country-specific?
No single country is assigned to this observance. Its documented scope is: Japan national public holiday. Use that scope rather than assuming worldwide or country-specific status.
How is this page verified?
The factual information is checked against reviewed sources, including the date pattern, scope and institutional history. This page was checked on 2026-10-08.
When is National Foundation Day in Japan?
February 11 every year, with legally defined substitute holidays where applicable.
Is it an official public holiday?
Yes. The Cabinet Office lists it under Japan’s national holidays law.
When was this modern holiday created?
Through the 1966 amendment, with February 11 fixed by a December 1966 cabinet ordinance.
Does February 11 prove an ancient founding event happened on that exact date?
No. The modern holiday date and traditional ancient foundation narrative are distinct from independently documented historical chronology.
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