All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1840

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	12-12-1840	Saturday	വൃശ്ചികം 29	11-12-1840 10:08 PM IST	12-12-1840 08:08 PM IST	22 Hours 0 Mins 1 Secs