All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1891

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	18-12-1891	Friday	मार्गशीर्ष 4	18-12-1891 03:32 AM IST	19-12-1891 04:32 AM IST	25 Hours 0 Mins 1 Secs