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	11-06-1899	Sunday	वैशाख 30	11-06-1899 04:18 PM IST	12-06-1899 07:18 PM IST	27 Hours 0 Mins 1 Secs