Thailand has a total of 33 holidays in 2025. In the table below, you will find the details of the holidays and when they are observed. All the information display below is also available via our API as well as downloadable as a csv. Signup here to get started.

These dates may be modified as official changes are announced, so please check back regularly for updates or sign up for our newsletter to receive regular updates. All updates are automatically added to our API as well.

Our API allows you to specify the State and Region as part of the API requests, thereby limiting the requests to a particular state or city. View the API documentation for a full description of the supported countries, states and regions.

Holiday Date Details
New Year's Day
Wednesday, January 1, 2025 New Year’s Day is the first day of the year, or January 1, in the Gregorian calendar.
National Children's Day
Saturday, January 11, 2025 National Children's Day is a observance in Thailand
Teachers' Day
Thursday, January 16, 2025 Teachers' Day is a observance in Thailand
Lunar New Year's Day
Wednesday, January 29, 2025 Lunar New Year is the first day of the Chinese calendar, which is a lunisolar calendar mainly used for traditional celebrations.
Second Day of Lunar New Year
Thursday, January 30, 2025 Second Day of Lunar New Year is a observance in Thailand
Third Day of Lunar New Year
Friday, January 31, 2025 Third Day of Lunar New Year is a observance in Thailand
Valentine's Day
Friday, February 14, 2025 February 14 is Valentine's Day or Saint Valentine's Feast. The day of love owes its origins to ancient Roman and European Christian traditions.
March Equinox
Thursday, March 20, 2025 March Equinox in Thailand (Bangkok)
Chakri Day
Sunday, April 6, 2025 Chakri Day is a national holiday in Thailand
Day off for Chakri Day
Monday, April 7, 2025 Chakri Day is a national holiday in Thailand
Songkran
Sunday, April 13, 2025 Songkran is a national holiday in Thailand
Songkran Holiday
Monday, April 14, 2025 Songkran Holiday is a national holiday in Thailand
Songkran Observed
Wednesday, April 16, 2025 Songkran Observed is a national holiday in Thailand
Labor Day
Thursday, May 1, 2025 Labor Day, International Workers' Day, and May Day, is a day off for workers in many countries around the world.
Coronation Day
Sunday, May 4, 2025 Coronation Day is a national holiday in Thailand
Day off for Coronation Day
Monday, May 5, 2025 Coronation Day is a national holiday in Thailand
Visakha Bucha
Sunday, May 11, 2025 Visakha Bucha is a national holiday in Thailand
Day off for Visakha Bucha
Monday, May 12, 2025 Visakha Bucha is a national holiday in Thailand
Queen Suthida's Birthday
Tuesday, June 3, 2025 Queen Suthida's Birthday is a national holiday in Thailand
June Solstice
Saturday, June 21, 2025 June Solstice in Thailand (Bangkok)
Buddhist Lent Day
Monday, July 21, 2025 Buddhist Lent Day is a national holiday in Thailand
King Vajiralongkorn's Birthday
Monday, July 28, 2025 King Vajiralongkorn's Birthday is a national holiday in Thailand
The Queen's Birthday
Tuesday, August 12, 2025 The Queen's Birthday is a national holiday in Thailand
September Equinox
Monday, September 22, 2025 September Equinox in Thailand (Bangkok)
Anniversary of the Death of King Bhumibol
Monday, October 13, 2025 Anniversary of the Death of King Bhumibol is a national holiday in Thailand
Chulalongkorn Day
Thursday, October 23, 2025 Chulalongkorn Day is a national holiday in Thailand
Halloween
Friday, October 31, 2025 Halloween is a festive occasion that is celebrated in many countries on October 31 each year.
King Bhumibol's Birthday/Father's Day
Friday, December 5, 2025 Father’s Day celebrates fatherhood and male parenting on different dates worldwide.
Constitution Day
Wednesday, December 10, 2025 Constitution Day is a national holiday in Thailand
December Solstice
Sunday, December 21, 2025 December Solstice in Thailand (Bangkok)
Christmas Eve
Wednesday, December 24, 2025 Christmas Eve is the day before Christmas Day and falls on December 24 in the Gregorian calendar.
Christmas Day
Thursday, December 25, 2025 Christmas Day is one of the biggest Christian celebrations and falls on December 25 in the Gregorian calendar.
New Year's Eve
Wednesday, December 31, 2025 New Year’s Eve is the last day of the year, December 31, in the Gregorian calendar.
API icon

Start using our Holiday API

Use our Holiday data in your applications programmatically. No credit card is required to start.

Worldwide 2024 Holidays By Months
January 2024
February 2024
March 2024
April 2024
May 2024
June 2024
July 2024
August 2024
September 2024
October 2024
November 2024
December 2024