All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1899

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	15-05-1899	Monday	ഇടവം 3	15-05-1899 08:27 AM IST	16-05-1899 11:27 AM IST	27 Hours 0 Mins 1 Secs