December 2023

King Bhumibol Adulyadej's BirthdayTuesday, December 5Commemorates the birth of King Bhumibol Adulyadej in 1927. Also observed as National Day and National Father's Day. [December 5]
Constitution Day (Observed)Monday, December 11Commemorates the promulgation of the first permanent constitution in 1932. [December 10]
Additional HolidayFriday, December 29Cabinet adds December 29 as an extra holiday.

January 2024

New Year's DayMonday, January 1Celebrates the start of the solar and Gregorian year. [January 1]

February 2024

Magha PujaMonday, February 26Buddhist observance commemorating the Buddha's teaching of Ovada Patimokkha. [Full moon day of the third lunar month]

April 2024

Chakri Memorial DayMonday, April 6Commemorates the establishment of the Chakri Dynasty and the founding of Bangkok by King Phutthayotfa Chulalok in 1782. Officially known as King Phutthayotfa Chulalok the Great Day and Chakri Dynasty Memorial Day. [April 6]
Songkran FestivalMonday, April 15 – Tuesday, April 16Traditional Thai new year. The first day is known as Wan Maha Songkran, the second as Wan Nao, and the third as Wan Thaloeng Sok. [April 13 – 15]

May 2024

Coronation Day
Thursday, May 6Commemorates the coronation of King Maha Vajiralongkorn in 2019. [May 4]
Royal Ploughing CeremonyTo be AnnouncedCeremony giving blessing to the country's farmers.
VesakWednesday, May 22Buddhist observance commemorating the birth, enlightenment and passing of the Buddha. [Full moon day of the sixth lunar month]

June 2024

H.M. Queen Suthida Bajrasudhabimalalakshana's BirthdayMonday, June 3Commemorates the birth of Queen Suthida in 1978. [June 3]