All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1841

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	15-08-1841	Sunday	শ্রাবণ 1	15-08-1841 05:47 AM IST	16-08-1841 03:47 AM IST	22 Hours 0 Mins 1 Secs