All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1899

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	19-12-1899	Tuesday	मार्गशीर्ष 5	19-12-1899 05:57 PM IST	20-12-1899 08:57 PM IST	27 Hours 0 Mins 1 Secs