Thailand public holidays in December 2025
Official non-working public holidays in Thailand, 2025.
Thailand, 2025 — December
3 public holidays
| Date | Holiday | Weekday | When | Type |
|---|---|---|---|---|
| 5 December | HM King Bhumibol Adulyadej the Great's Birthday; National Day; National Father's Day | Friday | 317 days ago | Public holiday |
| 10 December | Constitution Day | Wednesday | 312 days ago | Public holiday |
| 31 December | New Year's Eve | Wednesday | 291 days ago | Public holiday |
Working days in 2025
- Working days in 2025: 240
- Free days in 2025: 125
- Public holidays in 2025: 26
A free day is a Saturday, a Sunday or a public holiday — one rule on every page of this site.