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	25-11-1858	Thursday	कार्तिक 11	25-11-1858 03:55 AM IST	26-11-1858 02:55 AM IST	23 Hours 0 Mins 1 Secs