All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 2580

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	21-05-2580	Sunday	Chithirai 31	20-05-2580 11:02 PM IST	22-05-2580 02:02 AM IST	27 Hours 0 Mins 1 Secs