Day Date Month Holiday Monday 2 Jan Substitution for New Year's Eve and New Year's Day
(Saturday 31 December 2022 and Saturday 1 January 2023)
Monday 6 Mar Makha Bucha Day Thursday 6 Apr Chakri Memorial Day Thursday 13 Apr Songkran Festival Friday 14 Apr Songkran Festival Monday 1 May National Labour Day Thursday 4 May Coronation Day Friday 5 May Special Holiday Monday 5 Jun Substitution for H.M. Queen Suthida Bajrasudhabimalalakshana's Birthday
and Wisakha Bucha Day (Saturday 3 June 2023)
Friday 28 Jul H.M. King Maha Vajiralongkorn Phra Vajiraklaochaoyuhua?s Birthday Tuesday 1 Aug Asarnha Bucha Day Monday 14 Aug Substitution for H.M. Queen Sirikit The Queen Mother?s Birthday /
Mother's Day (Saturday 12 August 2023)
Friday 13 Oct H.M. King Bhumibol Adulyadej The Great Memorial Day Monday 23 Oct Chulalongkorn Day Tuesday 5 Dec H.M. King Bhumibol Adulyadej The Great's Birthday/ National Day / Father's Day Monday 11 Dec Substitution for Constitution Day (Sunday 10 December 2023) Friday 29 Dec Substitution for New Year's Eve (Sunday 31 December 2023) Note: The change of SET holidays is in line with the announcement of the Bank of Thailand (BOT) and the Securities Exchange Commission (SEC).