All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1858

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	08-08-1858	Sunday	আষাঢ় 25	08-08-1858 12:50 AM IST	08-08-1858 10:50 PM IST	22 Hours 0 Mins 1 Secs