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	18-04-1899	Tuesday	চৈত্র 6	18-04-1899 12:09 AM IST	19-04-1899 04:09 AM IST	28 Hours 0 Mins 1 Secs