| New Year's Day (Observed) | Monday, January 03 | Celebrates the start of the solar and Gregorian year. |
| February 2022 | | |
| Magha Puja | Wednesday, February 16 | Buddhist observance commemorating the Buddha's teaching of Ovada Patimokkha. |
| April 2022 | | |
| Chakri Memorial Day | Wednesday, April 6 | Commemorates 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. |
| Songkran Festival | Wednesday, April 13 - Friday, April 15 | Traditional Thai new year. The first day is known as Wan Maha Songkran, the second as Wan Nao, and the third as Wan Thaloeng Sok. |
| May 2022 | | |
| Coronation Day | Wednesday, May 4 | Commemorates the coronation of King Maha Vajiralongkorn in 2019. |
| Royal Ploughing Ceremony | Friday, May 13 | Ceremony giving blessing to the country's farmers. |
| Vesak (Observed) | Monday, May 16 | Buddhist observance commemorating the birth, enlightenment and passing of the Buddha. |
| June 2022 | | |
| H.M. Queen Suthida Bajrasudhabimalalakshana's Birthday | Friday, June 3 | Commemorates the birth of Queen Suthida in 1978. |
| July 2022 | | |
| Asalha Puja | Wednesday, July 13 | Buddhist observance commemorating the Buddha's first discourse, the Dhammacakkappavattana Sutta. |
| Beginning of Vassa | Thurseday, July 14 | Buddhist observance marking the beginning of Vassa, also known as Buddhist Lent. |
| Additional Special Holiday | Friday, July 15 | |
| H.M. King Maha Vajiralongkorn Phra Vajiraklaochaoyuhua’s Birthday | Thursday, July 28 | Commemorates the birth of King Maha Vajiralongkorn in 1952. |
| Additional Special Holiday | Friday, July 29 | |
| August 2022 | | |
| The Queen Mother's Birthday | Friday, August 12 | Commemorates the birth of Queen Mother Sirikit in 1932; also observed as National Mother's Day. |
| October 2022 | | |
| King Bhumibol Adulyadej Memorial Day | Thursday, October 13 | Commemorates the passing of King Bhumibol Adulyadej in 2016. |
| Additional Special Holiday | Friday, October 14 | |
| King Chulalongkorn Day (Observed) | Monday, October 24 | Commemorates the passing of King Chulalongkorn in 1910. |
| December 2022 | | |
| King Bhumibol Adulyadej's Birthday | Monday, December 5 | Commemorates the birth of King Bhumibol Adulyadej in 1927. Also observed as National Day and National Father's Day. |
| Constitution Day (Observed) | Monday, December 12 | Commemorates the promulgation of the first permanent constitution in 1932. |
| New Year's Eve | Friday, December 31 | Final day of the solar year. |
