New Year's Eve is a public holiday in Thailand, known locally as วันสิ้นปี.
In 2026 it falls on Thursday 31 December; in 2027 on Friday 31 December.
The date is fixed, so only the weekday changes from year to year.
6 other countries in our calendar also have New Year's Eve as a public holiday.
Dates, 2025 to 2028
| Year | Date | Weekday | Note |
|---|---|---|---|
| 2025 | 31 December | Wednesday | |
| 2026 | 31 December | Thursday | |
| 2027 | 31 December | Friday long weekend | |
| 2028 | 31 December | Sunday weekend |