All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1861

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	20-12-1861	Friday	మార్గశిరము 7	20-12-1861 12:05 AM IST	21-12-1861 02:05 AM IST	26 Hours 0 Mins 1 Secs