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	25-03-1866	Sunday	फाल्गुन 13	25-03-1866 11:23 AM IST	26-03-1866 12:23 PM IST	25 Hours 0 Mins 1 Secs