All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1999

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	24-12-1999	Friday	Margazhi 9	24-12-1999 05:35 PM IST	25-12-1999 03:35 PM IST	22 Hours 0 Mins 1 Secs