All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1845

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	16-12-1845	Tuesday	অগ্রহায়ণ 3	16-12-1845 07:31 PM IST	17-12-1845 10:31 PM IST	27 Hours 0 Mins 1 Secs