Thailand has a total of 38 holidays in 2021. 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.

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Holiday	Date	Details
New Year's Day	Friday, January 1, 2021	New Year’s Day is the first day of the year, or January 1, in the Gregorian calendar.
National Children's Day	Saturday, January 9, 2021	National Children's Day is a observance in Thailand
Teachers' Day	Saturday, January 16, 2021	Teachers' Day is a observance in Thailand
Lunar New Year's Day	Friday, February 12, 2021	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	Saturday, February 13, 2021	Second Day of Lunar New Year is a observance in Thailand
Third Day of Lunar New Year	Sunday, February 14, 2021	Third Day of Lunar New Year is a observance in Thailand
Valentine's Day	Sunday, February 14, 2021	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.
Makha Bucha	Friday, February 26, 2021	Magha Puja Day is an important holy day that honors the Sangha, or the Buddhist community on the first full moon day of the third lunar month.
March Equinox	Saturday, March 20, 2021	March Equinox in Thailand (Bangkok)
Chakri Day	Tuesday, April 6, 2021	Chakri Day is a national holiday in Thailand
Songkran Holiday	Monday, April 12, 2021	Songkran Holiday is a national holiday in Thailand
Songkran	Tuesday, April 13, 2021	Songkran is a national holiday in Thailand
Labor Day	Saturday, May 1, 2021	Labor Day, International Workers' Day, and May Day, is a day off for workers in many countries around the world.
Labor Day observed	Monday, May 3, 2021	Labor Day, International Workers' Day, and May Day, is a day off for workers in many countries around the world.
Coronation Day	Tuesday, May 4, 2021	Coronation Day is a national holiday in Thailand
Royal Ploughing Ceremony Day	Monday, May 10, 2021	Royal Ploughing Ceremony Day is a government holiday in Thailand
Visakha Bucha	Wednesday, May 26, 2021	Visakha Bucha is a national holiday in Thailand
Queen Suthida's Birthday	Thursday, June 3, 2021	Queen Suthida's Birthday is a national holiday in Thailand
June Solstice	Monday, June 21, 2021	June Solstice in Thailand (Bangkok)
Asalha Bucha	Saturday, July 24, 2021	Asalha Puja Day (Dhamma Day) is a Buddhist festival that commemorates the Buddha’s first sermon on the full moon of the eighth lunar month.
Buddhist Lent Day	Sunday, July 25, 2021	Buddhist Lent Day is a national holiday in Thailand
Asalha Bucha observed	Monday, July 26, 2021	Asalha Puja Day (Dhamma Day) is a Buddhist festival that commemorates the Buddha’s first sermon on the full moon of the eighth lunar month.
King Vajiralongkorn's Birthday	Wednesday, July 28, 2021	King Vajiralongkorn's Birthday is a national holiday in Thailand
The Queen's Birthday	Thursday, August 12, 2021	The Queen's Birthday is a national holiday in Thailand
September Equinox	Wednesday, September 22, 2021	September Equinox in Thailand (Bangkok)
Mahidol Day	Friday, September 24, 2021	Mahidol Day is a national holiday in Thailand
Anniversary of the Death of King Bhumibol	Wednesday, October 13, 2021	Anniversary of the Death of King Bhumibol is a national holiday in Thailand
Day off for Chulalongkorn Day	Friday, October 22, 2021	Chulalongkorn Day is a national holiday in Thailand
Chulalongkorn Day	Saturday, October 23, 2021	Chulalongkorn Day is a national holiday in Thailand
Halloween	Sunday, October 31, 2021	Halloween is a festive occasion that is celebrated in many countries on October 31 each year.
Loy Krathong	Friday, November 19, 2021	Loy Krathong is a observance in Thailand
King Bhumibol's Birthday/Father's Day	Sunday, December 5, 2021	Father’s Day celebrates fatherhood and male parenting on different dates worldwide.
King Bhumibol's Birthday/Father's Day observed	Monday, December 6, 2021	Father’s Day celebrates fatherhood and male parenting on different dates worldwide.
Constitution Day	Friday, December 10, 2021	Constitution Day is a national holiday in Thailand
December Solstice	Tuesday, December 21, 2021	December Solstice in Thailand (Bangkok)
Christmas Eve	Friday, December 24, 2021	Christmas Eve is the day before Christmas Day and falls on December 24 in the Gregorian calendar.
Christmas Day	Saturday, December 25, 2021	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, 2021	New Year’s Eve is the last day of the year, December 31, in the Gregorian calendar.