All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1977

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	23-05-1977	Monday	ഇടവം 10	23-05-1977 08:51 AM IST	24-05-1977 10:51 AM IST	26 Hours 0 Mins 1 Secs