All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1987

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	09-12-1987	Wednesday	വൃശ്ചികം 23	09-12-1987 04:04 AM IST	10-12-1987 07:04 AM IST	27 Hours 0 Mins 1 Secs