Thailand has a total of 28 holidays in 2004. 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
Thursday, January 1, 2004 New Year’s Day is the first day of the year, or January 1, in the Gregorian calendar.
National Children's Day
Saturday, January 10, 2004 National Children's Day is a observance in Thailand
Teachers' Day
Friday, January 16, 2004 Teachers' Day is a observance in Thailand
Chinese New Year's Day
Thursday, January 22, 2004 Lunar New Year is the first day of the Chinese calendar, which is a lunisolar calendar mainly used for traditional celebrations.
Second Day of Chinese New Year
Friday, January 23, 2004 Second Day of Chinese New Year is a observance in Thailand
Third Day of Chinese New Year
Saturday, January 24, 2004 Third Day of Chinese New Year is a observance in Thailand
Valentine's Day
Saturday, February 14, 2004 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
Saturday, March 20, 2004 March Equinox in Thailand (Bangkok)
Chakri Day
Tuesday, April 6, 2004 Chakri Day is a national holiday in Thailand
Songkran
Tuesday, April 13, 2004 Songkran is a national holiday in Thailand
Songkran Holiday
Wednesday, April 14, 2004 Songkran Holiday is a national holiday in Thailand
Labor Day observed
Friday, April 30, 2004 Labor Day, International Workers' Day, and May Day, is a day off for workers in many countries around the world.
Labor Day
Saturday, May 1, 2004 Labor Day, International Workers' Day, and May Day, is a day off for workers in many countries around the world.
Coronation Day
Wednesday, May 5, 2004 Coronation Day is a national holiday in Thailand
June Solstice
Monday, June 21, 2004 June Solstice in Thailand (Bangkok)
The Queen's Birthday
Thursday, August 12, 2004 The Queen's Birthday is a national holiday in Thailand
September Equinox
Wednesday, September 22, 2004 September Equinox in Thailand (Bangkok)
Day off for Chulalongkorn Day
Friday, October 22, 2004 Chulalongkorn Day is a national holiday in Thailand
Chulalongkorn Day
Saturday, October 23, 2004 Chulalongkorn Day is a national holiday in Thailand
King Bhumibol's Birthday
Sunday, December 5, 2004 King Bhumibol's Birthday is a national holiday in Thailand
King Bhumibol's Birthday/Father's Day
Sunday, December 5, 2004 Father’s Day celebrates fatherhood and male parenting on different dates worldwide.
King Bhumibol's Birthday observed
Monday, December 6, 2004 King Bhumibol's Birthday is a national holiday in Thailand
King Bhumibol's Birthday/Father's Day observed
Monday, December 6, 2004 Father’s Day celebrates fatherhood and male parenting on different dates worldwide.
Constitution Day
Friday, December 10, 2004 Constitution Day is a national holiday in Thailand
December Solstice
Tuesday, December 21, 2004 December Solstice in Thailand (Bangkok)
Christmas Eve
Friday, December 24, 2004 Christmas Eve is the day before Christmas Day and falls on December 24 in the Gregorian calendar.
Christmas Day
Saturday, December 25, 2004 Christmas Day is one of the biggest Christian celebrations and falls on December 25 in the Gregorian calendar.
New Year's Eve
Friday, December 31, 2004 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 2025 Holidays By Months
January 2025
February 2025
March 2025
April 2025
May 2025
June 2025
July 2025
August 2025
September 2025
October 2025
November 2025
December 2025