The first "New Year's Day" of the year in Thailand, followed in February by Chinese New Year, and in April by the Thai New Year or Songkran Festival.

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A lunar festival celebrated in cities throughout Thailand. This year is the year of the Tiger
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Makha Bucha day is a major festival in the Buddhist Calendar.
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Chakri Day commemorates the founder of the current dynasty, King Buddha Yodfa Chulaloke (Rama I), previously known as Chao Phraya Chakri.

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Songkran is the Thai New Year, a time of both pious and hilarious celebration: a time for showing respect to elders by pouring water over their hands, and a time for showering passers-by from water pistols, buckets and even hose pipes. Not for the faint hearted.

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The Rocket Festival is celebrated throughout the North East of Thailand, though not always on the same days. When I first heard the words Bang Fai - it sounded remarkably like 'Bun Fight' - it turned out to be that and more. I had worked out with a Thai friend that Bang Fai meant something like 'fireworks', so I was expecting a firework display.

In fact the Bang Fai are enormous home-made rockets made of bamboo or plastic tubing, packed with gunpowder, and up to three meters in length - more like miniature ballistic missiles.

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International labor day

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May 1st falls on a Saturday so the following Monday is a public holiday.

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Celebrates the coronation day of the current monarch.

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Celebrates the beginning of the rice planting season.

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Visakha Bucha Day is a lunar festival celebrating the birthday of the Buddha but also his enlightenment and entry into nirvana.

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The day before the beginning of the Rains Retreat. Celebrates the first sermon of the Buddha to 5 disciples.

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This day marks the beginning of the "Rains Retreat", or "Buddhist Lent", a period when monks are expected to remain in the monasteries, and young men undergo temporary ordination. The three month period coincides roughly with the Rainy Season in South East Asia, and it is said that monks are expected to refrain from wandering about the countryside so as not cause damage to the young rice in the flooded fields.

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Also celebrated as Mothers Day.

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This festival which originated in Phuket, takes place on the first 9 days of the 9th lunar month, which by my reckoning would be from 8th of October in 2010.
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The anniversary of the death of King Rama V (King Chulalongkorn), one of the most admired of Thailand's monarchs.

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Chulalongkorn Day falls on a Saturday this year, so the following Monday becomes a public holiday.

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A hugely popular and colorful festival where people throughout Thailand make offerings to the spirits of the river, and Mae Khongkha, goddess of the rivers
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This day is also celebrated as Fathers Day.

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His Majesty the King's Birthday falls on a Sunday, this year, so the following Monday becomes a public holiday.

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Constitution Day celebrates the birth of the Constitutional Monarchy in 1932.