About Thailand National Day
Thailand National Day on December 5 honors the birthday of the late King Bhumibol, also marked as Father's Day across the kingdom.
Upcoming dates
| 2026 | Saturday, December 5, 2026next |
| 2027 | Sunday, December 5, 2027 |
| 2028 | Tuesday, December 5, 2028 |
| 2029 | Wednesday, December 5, 2029 |
| 2030 | Thursday, December 5, 2030 |