| 1. | Friday | 1st | January | New Year’s Day |
| 2. | Friday | 26th | February | Makha Bucha Day |
| 3. | Tuesday | 6th | April | Chakri Memorial Day |
| 4. | Tuesday | 13th | April | Songkran Festival |
| 5. | Wednesday | 14th | April | Songkran Festival |
| 6. | Thursday | 15th | April | Songkran Festival |
| 7. | Monday | 3rd | May | Substitution for National Labour Day (Saturday 1st May 2021) |
| 8. | Tuesday | 4th | May | Coronation Day |
| 9. | Wednesday | 26th | May | Wisakha Bucha Day |
| 10. | Thursday | 3rd | June | H.M. Queen Suthida Bajrasudhabimalalakshana’s Birthday |
| 11. | Monday | 26th | July | Substitution for Asarnha Bucha Day (Saturday 24th July 2021) |
| 12. | Wednesday | 28th | July | H.M. King Maha Vajiralongkorn Phra Vajiraklaochaoyuhua’s Birthday |
| 13. | Thursday | 12th | August | H.M. Queen Sirikit The Queen Mother’s Birthday / Mother’s Day |
| 14. | Wednesday | 13th | October | H.M. King Bhumibol Adulyadej The Great Memorial Day |
| 15. | Monday | 25th | October | Substitution for Chulalongkorn Day (Saturday 23rd October 2021) |
| 16. | Monday | 6th | December | Substitution for H.M. King Bhumibol Adulyadej The Great’s Birthday/ National Day / Father’s Day (Sunday 5th December 2021) |
| 17. | Friday | 10th | December | Constitution Day |
| 18. | Friday | 31st | December | New Year’s Eve |
For financial institution branches in Narathiwat, Pattani, Yala, Satun, and Songkhla, extra holidays are given for Eidal – Fitr Day (Ramadan Day), Eidal – Adha Day (Raya Hajji Day) announced by the Sheikhul Islam Office, and the Chinese New Year Day if the date does not fall on any of holidays listed above or Saturday and Sunday.