All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1867

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	27-08-1867	Tuesday	ചിങ്ങം 13	27-08-1867 12:45 AM IST	27-08-1867 10:45 PM IST	22 Hours 0 Mins 1 Secs