| Wednesday | January 1, 2020 | New Year’s Day |
| Saturday | February 8, 2020 | Makha Bucha Day |
| Monday | April 6, 2020 | Chakri Memorial Day |
| Monday | April 13, 2020 | Songkran Festival |
| Tuesday | April 14, 2020 | Songkran Festival |
| Wednesday | April 15, 2020 | Songkran Festival |
| Friday | May 1, 2020 | National Labour Day |
| Monday | May 4, 2020 | Coronation Day |
| Wednesday | May 6, 2020 | Visakha Bucha Day |
| Wednesday | June 3, 2020 | H.M Queen Suthida Bajrasudhabimalalakshana’s Birthday |
| Monday | July 6, 2020 | Asarnha Bucha Day (Substitution) |
| Tuesday | July 28, 2020 | H.M King Maha Vajiralongkorn’s Birthday |
| Wednesday | August 12, 2020 | H.M Queen Sirikit’s Birthday |
| Tuesday | October 13, 2020 | H.M Late King Bhumibol Adulyadej – Memorial Day |
| Friday | October 23, 2020 | Chulalongkorn Memorial Day |
| Monday | December 7, 2020 | H.M Late King Bhumibol Adulyadej’s Birthday (Substitution) |
| Thursday | December 10, 2020 | Constitution Day |
| Thursday | December 31, 2020 | New Year’s Eve |
