All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1901

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	27-12-1901	Friday	मार्गशीर्ष 13	27-12-1901 06:31 AM IST	28-12-1901 05:31 AM IST	23 Hours 0 Mins 1 Secs