Day Date Month Holiday Wednesday 1 Jan New Year's Day Wednesday 12 Feb Makha Bucha Day Monday 7 Apr Substitution for Chakri Memorial Day (Sunday 6 Apr 2025) Monday 14 Apr Songkran Festival Tuesday 15 Apr Songkran Festival Monday 5 May Substitution for Coronation Day (Sunday 4 May 2025)
May Royal Ploughing Ceremony Day *
Monday 12 May Substitution for Visakha Bucha Day (Sunday 11 May 2025) Tuesday 3 Jun H.M. Queen Suthida Bajrasudhabimalalakshana's Birthday
Jul Buddhist Lent Day *
Thursday 10 Jul Asarnha Bucha Day Monday 28 Jul H.M. King Maha Vajiralongkorn Phra Vajiraklaochaoyuhua?s Birthday Tuesday 12 Aug H.M. Queen Sirikit The Queen Mother's Birthday / Mother's Day Monday 13 Oct H.M. King Bhumibol Adulyadej the Great Memorial Day Thursday 23 Oct H.M. King Chulalongkorn the Great Memorial Day Friday 5 Dec H.M. King Bhumibol Adulyadej The Great's Birthday / National Day / Father's Day Wednesday 10 Dec Constitution Day Wednesday 31 Dec New Year's Eve Remark: *Subject to Change According to the Cabinet.