All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1866

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	21-04-1866	Saturday	చైత్రము 10	21-04-1866 05:17 PM IST	22-04-1866 06:17 PM IST	25 Hours 0 Mins 1 Secs