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Calendar of Uposatha Days
2009 CE
2552-2553 BE
Alternate format: [PDF icon]

Here are this year's dates of Uposatha days as observed by the two sects of Thai Buddhism (Dhammayutika and Mahānikāya).

  First quarter moon Full moon Last quarter moon New moon First quarter moon Full moon
January 4* 11* 19* 25 - -
February 2 9
Māgha Pūjā
17 24* - -
March 4* 11* 19* 25 - -
April 2 9 17 24* - -
May 2* 8
Visākha Pūjā
16 23 31 -
June - 7 15 22 30 -
July - 7
Āsaḷha Pūjā
15 22 30 -
August - 6 14 20 28 -
September - 4 12 19 27 -
October - 4
Pavāraṇā Day
12 18 26 -
November - 2
Ānāpānasati Day
10 17 25 -
December - 2 10 16 24 31

Dates marked with an asterisk (*) are one day behind the Thai Mahānikāya calendar.

Dates for this calendar were provided by Metta Forest Monastery.