All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1857

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	17-08-1857	Monday	শ্রাবণ 3	17-08-1857 02:59 PM IST	18-08-1857 02:59 PM IST	24 Hours 0 Mins 1 Secs