Poush month is the ninth month in a traditional Bengali calendar. The previous month was the Agrahan Maas. Poush month in Bengal Calendar begins on December 17, 2012 and ends on January 14, 2013. In Gregorian calendar, the Poush month begins in Mid December and ends in Mid January.
Purnima day in Poush Month in 2013 is on December 28, 2012. Time is from 12:59 PM on December 27 to 3:03 PM on December 28.
The Aamabashya in month is on January 11, 2013. Time is from 3:42 AM on January 11 to 1:14 AM on January 12
The two Ekadashis in the month are on December 24, 2012 and January 8, 2013.
Swami Vivekananda's birthday per Gregorian calendar or English calendar is on January 12.
The next month in Bengali calendar is the Magh month.