Question 1

When is Constitution Memorial Day in Japan?

Accepted Answer

According to our data, Constitution Memorial Day varies by year in Japan. May 4, 2026 is one occurrence for 2026. See the Dates table above for all known occurrences.

Question 2

Is Constitution Memorial Day a public holiday in Japan?

Accepted Answer

Yes, Constitution Memorial Day is typically treated as a public holiday in Japan, meaning businesses and schools may be closed. However, this can vary by region and local regulations.

Question 3

Why does the date of Constitution Memorial Day change?

Accepted Answer

The date of Constitution Memorial Day varies by year based on official government announcements or calendar systems. Each year's date is determined according to established rules or official declarations.

Question 4

How do people observe Constitution Memorial Day?

Accepted Answer

People observe Constitution Memorial Day in various ways. Common practices include: check if businesses and schools are closed, plan travel and shipping accordingly, attend public events or parades if available. Specific customs may vary by region and community.

Question 5

Where does the date information come from?

Accepted Answer

Date information is sourced from multiple public providers and normalized for consistency. We aggregate data from official government sources, national calendars, and verified holiday databases.

Year	Date	Link
2025	2025-05-03	View 2025 holidays
2026	2026-05-04	View 2026 holidays

Constitution Memorial Day

Facts

What is Constitution Memorial Day?

How to observe

Dates

FAQ

Other holidays in Japan