Japan calendar countdown
Constitution Memorial Day is getting closer.
Constitution Memorial Day is held on 3rd May, during Japan's Golden Week.
Dates for 2026 to 2028 are listed below
Constitution Memorial Day
The holiday marks the post-war constitution taking effect in 1947. A substitute holiday may apply when a national holiday falls on Sunday.
About Constitution Memorial Day in Japan
Japan's postwar constitution was promulgated on 3 November 1946 and took effect on 3 May 1947. It established popular sovereignty, guaranteed fundamental rights and renounced war in Article 9. The holiday falls in Golden Week, so many people travel, while civic groups and political organisations hold public meetings and rallies discussing the document and proposals to revise it.
When is Constitution Memorial Day in Japan?
Constitution Memorial Day is fixed on 3 May every year, in line with the date the present constitution came into force.
| Calendar | 2026 | 2027 | 2028 |
|---|---|---|---|
| Japan | Sunday 3 May 2026 | Monday 3 May 2027 | Wednesday 3 May 2028 |
Planning around Constitution Memorial Day
Because the date sits at the heart of Golden Week, book intercity trains, domestic flights and hotels months ahead, or choose quieter destinations away from major tourist sites. Work out shifts and childcare cover with the free shift planner, or browse every holiday countdown.
Constitution Memorial Day questions
How many days until Constitution Memorial Day in Japan?
The live counter at the top of this page shows the days, hours, minutes and seconds left until the next Constitution Memorial Day in Japan, using the time zone you choose. The dates for 2026 to 2028 are in the table above.
When is Constitution Memorial Day in 2027 in Japan?
Constitution Memorial Day falls on Monday 3 May 2027 in Japan.
What is Article 9 of Japan's constitution?
Article 9 renounces war as a sovereign right and the use of force to settle international disputes. It is among the most discussed parts of the constitution, and debates about interpreting or revising it continue.