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When is Constitution Memorial Day in 2026 in Japan?

Constitution Memorial Day 2026 is on Wednesday, 2026-05-06

Constitution Memorial Day in Japan falls on Wednesday, May 6, 2026. That is week 19 of 2026 (ISO week numbering), day 126 of the year. Locally it is also written as: 憲法記念日.

Days until Constitution Memorial Day 2026

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Constitution Memorial Day by year in Japan

YearWeekdayDateISO week
2026Wednesday2026-05-0619this page
2027Monday2027-05-03182027 page

Public holidays near this date in Japan 2026

DateDayHolidayDeducted from working days
2026-05-04Mondayみどりの日Yes
2026-05-05Tuesdayこどもの日Yes
2026-05-06Wednesday憲法記念日Yes

Working days around this holiday

The May 2026 business-days page shows the exact count of working days in the month this holiday falls in, with the holiday deducted and every remaining day listed. The full Japan 2026 holiday list marks whether this date is nationwide (Yes) or regional only.

How the date is verified: the date and weekday above are computed from the calendar, not typed in, and ISO week numbers follow ISO 8601 (weeks start Monday). You can reproduce both by checking that 2026-05-06 is a Wednesday on any perpetual calendar.

Other questions about Constitution Memorial Day