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

  First
Quarter		 Full
Moon		 Last
Quarter		 New
Moon		 First
Quarter
January 7 14 22 29  
 
February 6 13
Magha Puja		 21 27
March 7 14 22 29  
 
April 6 13 21 27  
 
May 5 12
Visakha Puja		 20 27
June 4 11 19 25  
 
July 3 10
Asalha Puja		 18 25
August 2 9 17 23 31
September  
 		 7 15 22 30
October 7
Pavarana Day		 15 21 29
November 5
Anapanasati Day		 13 20 28
December  
 		 5 13 20* 28*

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

Dates for the calendar were provided by Metta Forest Monastery.

Last year's (2005) calendar is still available.