Business days calculator: Thailand
Add working days to a date or count working days between dates in Thailand, using the real public-holiday calendar (23 holidays in 2026) and the correct weekend (Saturday and Sunday).
A few dozen free calculations a day. Need this in code? The API answers the same questions in one GET request, and the playground covers the fancier ones: due dates, paydays, bridge days.
Upcoming public holidays in Thailand
| Date | Holiday |
|---|---|
| 2026-10-13 | HM King Bhumibol Adulyadej Memorial Day |
| 2026-10-23 | HM King Chulalongkorn Memorial Day |
| 2026-12-05 | HM King Bhumibol Adulyadej the Great's Birthday; National Day; National Father's Day |
| 2026-12-07 | HM King Bhumibol Adulyadej the Great's Birthday (in lieu); National Day (in lieu); National Father's Day (in lieu) |
| 2026-12-10 | Constitution Day |
| 2026-12-31 | New Year's Eve |
Country calculators
Each page carries that country's upcoming holidays and weekend rule.
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