Thai financial institutions and special financial institutions’ holidays for 2023 (B.E. 2566), as published by the Bank of Thailand, can be found below:

1. Monday 2nd January
Substitution for New Year's Eve and New Year's Day
(Saturday 31st December 2022 and Sunday 1st January 2023)


2. Monday 6th March
Makha Bucha Day

3. Thursday 6th April
Chakri Memorial Day

4.Thursday 13th April
Songkran Festival

5. Friday 14th April
Songkran Festival

6. Monday 1st May
National Labour Day

7. Thursday 4th May
Coronation Day

8. Monday 5th June
Substitution for H.M. Queen Suthida Bajrasudhabimalalakshana’s Birthday
and Wisakha Bucha Day (Saturday 3rd June 2023)


9. Friday 28th July
H.M. King Maha Vajiralongkorn Phra Vajiraklaochaoyuhua’s Birthday

10. Tuesday 1st August
Asarnha Bucha Day

11. Monday 14th August

Substitution for H.M. Queen Sirikit The Queen Mother’s Birthday / Mother’s Day
(Saturday 12th August 2023)


12. Friday 13th October
H.M. King Bhumibol Adulyadej The Great Memorial Day

13. Monday 23rd October

Chulalongkorn Day

14. Tuesday 5th December
H.M. King Bhumibol Adulyadej
The Great’s Birthday/ National Day / Father’s Day


15. Monday 11th December

Substitution for Constitution Day (Sunday 10th December 2023)

For Islamic Bank of Thailand, extra holidays are given for Eidal – Fitr Day (Ramadan Day), Eidal – Adha Day (Raya Hajji Day) announced by the Sheikhul Islam Office if the date does not fall on any of holidays listed above or Saturday and Sunday.

For financial institutions and special financial institutions 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.
Source: https://www.bot.or.th/English/Financ...ages/2023.aspx