📅 Thai & Buddhist Calendar ปฏิทิน
Thailand runs on two calendars at once. Everyday dates are Gregorian, but the year is counted in the Buddhist Era (พ.ศ., the Gregorian year + 543), and the holy days follow the moon. Switch views to see each one.
December 2027
Wan Phra (holy day) falls on four moons each month: First-quarter moon · Full moon · Last-quarter moon · New moon
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1
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2
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3
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4
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5
Father's Day (Thailand)
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6
Wan Phra
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7
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8
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9
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10
Constitution Day
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11
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12
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13
Wan Phra
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14
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15
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16
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17
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18
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19
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20
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21
Wan Phra
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22
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23
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24
Christmas Eve
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25
Christmas Day
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26
Boxing Day
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27
Wan Phra
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28
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29
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30
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31
New Year's Eve
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This month
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5 December ThaiFather's Day (Thailand) · วันพ่อ wan pɔ̂ɔThe birthday of King Bhumibol.
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10 December ThaiConstitution Day · วันรัฐธรรมนูญ
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24 December Christian & WesternChristmas Eve
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25 December Christian & WesternChristmas Day
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26 December Christian & WesternBoxing Day
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31 December ThaiNew Year's Eve · วันสิ้นปี
Wan Phra this month วันพระ
Buddhist holy days, on the quarter, full and new moons. Many Thais go to the temple, offer food to monks and keep the Eight Precepts.
- 🌓 6 December · First-quarter moon · ขึ้น 8 ค่ำ เดือน 1 · Waxing 8, lunar month 1
- 🌕 13 December · Full moon · ขึ้น 15 ค่ำ เดือน 1 · Waxing 15, lunar month 1
- 🌗 21 December · Last-quarter moon · แรม 8 ค่ำ เดือน 1 · Waning 8, lunar month 1
- 🌑 27 December · New moon · แรม 14 ค่ำ เดือน 1 · Waning 14, lunar month 1
Covers 2026–2028 (พ.ศ. 2569–2571). Wan Phra dates come from the published Thai holy-day calendar, and the lunar holidays are worked out from them. 2028's official public holidays haven't been announced yet, and when a holiday falls on a weekend Thailand often adds a substitute day off, which isn't shown here. Read more in Thai Culture → Festivals.