All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1866

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	09-08-1866	Thursday	ಆಷಾಢ 26	09-08-1866 06:11 AM IST	10-08-1866 05:11 AM IST	23 Hours 0 Mins 1 Secs