Constitution Day

Thursday, December 10, 2026

Timezone:
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· Thailand
Public holiday
36DAYS UNTIL

Weekday

Thursday

Week

50

Day of year

344

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

Other holidays in Thailand 2026

Holiday data is sourced from open data and may not reflect last-minute regulatory changes. Verify with official sources before legal or financial decisions.