Constitution Day
Sunday, December 10, 2028
Weekday
Sunday
Week
49
Day of year
345
Country
🇹🇭 TH
THB
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
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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.