Constitution Day
Sunday, May 3, 2026
Weekday
Sunday
Week
18
Day of year
123
Country
🇯🇵 JP
JPY
About this holiday
Constitution Day marks the adoption or promulgation of a country's constitution — the legal foundation of the state. It is usually observed with official ceremonies, civic education events and national symbols; the date and significance vary by country.
Constitution Day · 2025–2030
Other holidays in Japan 2026
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Monday·Public holiday
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Friday·Public holiday
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Wednesday·Public holiday
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Monday·Public holiday
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Tuesday·Public holiday
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Wednesday·Public holiday
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Monday·Public holiday
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Tuesday·Public holiday
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Monday·Public holiday
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Tuesday·Public holiday
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Wednesday·Public holiday
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Monday·Public holiday
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Holiday data is sourced from open data and may not reflect last-minute regulatory changes. Verify with official sources before legal or financial decisions.