Thailand Holidays & National Days 2026
Here is every national day, public holiday and special observance connected with Thailand on National Day Review — sorted by date for 2026, with a live countdown to the next one. Open any day to read its history, traditions, facts, wishes and messages.
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Coming Up Next
Thailand Father’s Day
Thailand celebrates National Day and Father’s Day on December 5, King Bhumibol’s birthday. His life, timeline, yellow shirts, traditions and FAQs.
in 41 days
Constitution Day (Thailand)
Thailand’s Constitution Day on December 10 marks the first permanent constitution of 1932. History of the 1932 revolution, timeline, observances and FAQs.
in 46 days
Thailand Holidays & National Days in 2026 — Month by Month
December 2
| Date | Day | Observance | Status |
|---|---|---|---|
| December 5 | Saturday | Thailand Father’s Day | in 41 days |
| December 10 | Thursday | Constitution Day (Thailand) | in 46 days |
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