All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1855

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	11-08-1855	Saturday	আষাঢ় 28	10-08-1855 11:57 PM IST	12-08-1855 02:57 AM IST	27 Hours 0 Mins 1 Secs