Public holidays in Thailand are regulated by the government, and most are observed by both the public and private sectors. There are usually sixteen public holidays in a year, but more may be declared by the Cabinet. If a holiday falls on a weekend, one following workday is observed as a compensatory non-workday.
1. 1 January: New Year's Day - Celebrates beginning of the solar and Gregorian year. From 1889–1941, this was held on 1 April.
2. 3 February Thai lunar month: Magha Puja - Buddhist observance commemorating the Buddha's teaching of Ovada Patimokkha.
3. 6 April: Chakri Memorial Day - Commemorates the establishment of the Chakri Dynasty and the founding of Bangkok by King Buddha Yodfa Chulaloke in 1782. Officially known as King Buddha Yodfa Chulaloke the Great Day and Chakri Dynasty Memorial Day
4. 13 April – 15 April Songkran Festival: Traditional Thai new year, and prime holiday of the year; many people return home for family reunions during this period.
5. 5 May: Coronation Day- Commemorates the coronation of King Bhumibol Adulyadej in 1950.
6. May arbitrary date: Royal Ploughing Ceremony and Farmer's Day - Ceremony giving blessing to the country's farmers.
7. 6 May Thai lunar month: Vesak - Buddhist observance commemorating the birth, enlightenment and passing of the Buddha. Also observed as National Tree Day.
8. 8 July: Asalha Bucha - Buddhist observance commemorating the Buddha's first discourse, the Dhammacakkappavattana Sutta
9. 8 July Thai lunar month: Beginning of Vassa - Buddhist observance marking the beginning of Vassa, also known as Buddhist Lent
10. 12 August: HM the Queen's Birthday - Commemorates the birthday of Queen Sirikit in 1932; also observed as National Mother's Day
11. 23 October: Chulalongkorn Day - Commemorates the passing of King Chulalongkorn in 1910.
12. 5 December: HM the King's Birthday - Commemorates the birthday of King Bhumibol Adulyadej in 1927. Also observed as National Day and National Father's Day.
13. 10 December: Constitution Day - Commemorates the promulgation of the first permanent constitution in 1932.
14. 31 December: New Year's Eve - Final day of the Gregorian year.
15. 1 Shawwal in the Islamic calendar: Eid ul-Fitr – Muslim holidays, observed in Narathiwat, Pattani, Yala, and Satun Provinces
16. 10 Dhu al-Hijjah in the Islamic calendar: Eid al-Adha - Muslim holidays, observed in Narathiwat, Pattani, Yala, and Satun Provinces