All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1840

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	24-08-1840	Monday	ചിങ്ങം 11	24-08-1840 06:37 PM IST	25-08-1840 05:37 PM IST	23 Hours 0 Mins 1 Secs