December 2026 in Thailand
5 holidays / observances this month. Notable dates include King Bhumibol Adulyadej's Birthday, Constitution Day, Christmas Eve, and more. See the full 2026 calendar or holidays list.
Calendar
December 2026 — Thailand
Full December 2026 calendar for Thailand. Tap a marked day for holiday details.
Public / federal holidayObservanceInternational dayToday
December 2026
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Holidays in December
5 dates
King Bhumibol Adulyadej's Birthday
Sat, Dec 5 · Public holiday
Constitution Day
Thu, Dec 10 · Public holiday
Christmas Eve
Thu, Dec 24 · Observance
Christmas Day
Fri, Dec 25 · Observance
New Year's Eve
Thu, Dec 31 · Public holiday