1 January
New Year's Day (Wan Khuen Pe Mai) Celebrates beginning
of the solar and Gregorian year. From 1889–1941, this was held on 1 April.
Full moon, 3rd Thai lunar month (February)
Magha Puja (Wan Makha
Bucha) Buddhist observance commemorating the Buddha's teaching of Ovada Patimokkha.
6 April
Chakri Memorial Day (Wan Chakkri) Commemorates the establishment
of the Chakri Dynasty and the founding of Bangkok by King Buddha Yodfa Chulaloke
in 1782. Officially known as King Buddha Yodfa Chulaloke the Great Day and Chakri
Dynasty Memorial Day.
13 April – 15 April
Songkran Festival (Wan Songkran) Traditional
Thai new year, and prime holiday of the year; many people return home for family
reunions during this period.
1 May
National Labour Day (Wan Raeng Ngan Haeng Chat) Observed
as a holiday by most of the private sector.
5 May
Coronation Day (Wan Chattra Mongkhon) Commemorates the coronation
of King Bhumibol Adulyadej in 1950.
May, arbitrary date Royal Ploughing Ceremony and
Farmer's Day (Wan
Phuetcha Mongkhon) Ceremony giving blessing to the country's farmers.
Full moon, 6th Thai lunar month (May)
Vesak Puja(Wan Wisakha Bucha)
Buddhist observance commemorating the birth, enlightenment and passing of the Buddha.
Also observed as National Tree Day.
Full moon, 8th Thai lunar month (July)
Asalha Puja (Wan Asanha
Bucha) Buddhist observance commemorating the Buddha's first discourse, the Dhammacakkappavattana
Sutta.
First waning moon, 8th Thai lunar month (July)
Beginning of Vassa
(Wan Khao Phansa) Buddhist observance marking the beginning of Vassa, also known
as Buddhist Lent.
12 August
HM the Queen's Birthday (Wan Chaloem Phra Chonmaphansa
Somdet Phranang Chao Phra Boromma Rachininat) Commemorates the birthday of Queen
Sirikit in 1932; also observed as National Mother's Day (Wan Mae Haeng Chat).
23 October
Chulalongkorn Day (Wan Piya Maharat) Commemorates the
passing of King Chulalongkorn in 1910. Piya Maharat is a nickname for the King,
meaning the beloved great king.
5 December
HM the King's Birthday (Wan Chaloem Phra Chonmaphansa
Phrabat Somdet Phra Chao Yuhua) Commemorates the birthday of King Bhumibol Adulyadej
in 1927. Also observed as National Day and National Father's Day. (Wan Por Haeng
Chat).
10 December
Constitution Day (Wan Rattha Thammanun) Commemorates
the promulgation of the first permanent constitution in 1932.
31 December
New Year's Eve (Wan Sin Pe) Final day of the Gregorian
year.