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	19-05-1866	Saturday	ഇടവം 7	19-05-1866 01:06 AM IST	20-05-1866 01:06 AM IST	24 Hours 0 Mins 1 Secs