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	21-05-1855	Monday	বৈশাখ 9	21-05-1855 03:36 AM IST	22-05-1855 06:36 AM IST	27 Hours 0 Mins 1 Secs