Thailand public holidays in December 2026
Official non-working public holidays in Thailand, 2026.
Thailand, 2026 — December
4 public holidays
| Date | Holiday | Weekday | When | Type |
|---|---|---|---|---|
| 5 December | HM King Bhumibol Adulyadej the Great's Birthday; National Day; National Father's Day | Saturday | in 92 days | Public holiday |
| 7 December | HM King Bhumibol Adulyadej the Great's Birthday (in lieu); National Day (in lieu); National Father's Day (in lieu) | Monday | in 94 days | Public holiday |
| 10 December | Constitution Day | Thursday | in 97 days | Public holiday |
| 31 December | New Year's Eve | Thursday | in 118 days | Public holiday |
Working days in 2026
- Working days in 2026: 241
- Free days in 2026: 124
- Public holidays in 2026: 23
A free day is a Saturday, a Sunday or a public holiday — one rule on every page of this site.