Thailand Standard Time is +7 GMT.Thailand does not observe daylight savings.
The following are a list of Thailand public holidays:
1 January: New Year’s Day
February/March: Makha Bucha Day - A Buddhist holiday occurring on the full moon of fourth lunar month.
6 April: Chakri Memorial Day - This day honors the foundation of the reigning royal family’s dynasty.
13-15 April: Songkran - The Thai new year.May: Royal Ploughing Ceremony - Celbrating the farming season; the specific date is determined by the royal astrologerMay: Visakha Bucha: A Buddhist holiday occurring on the full moon of the 6th lunar month.
1 May: Labor Day
5 May: Coronation Day - In commemoration of the coronation of the reigning King of Thailand, His Majesty King Bhumibol Adulyadej.
July: Asanha Bucha Day - A Buddhist Holiday occurring on the full moon of 8th lunar month
Vassa - This is the beginning of Buddhist lent on first waning moon of 8th lunar month
12 August: H.M. The Queen of Thailand’s Birthday; also Thai Mothers Day
23 October: Chulalongkorn Day: In honor of a former King of Thailand.
5 December: H.M The King of Thailand’s Birthday; also Thai Father’s Day
10 December: Constitution Day: In celebration of the kingdom’s first constitution.
31 December: New Year’s Eve