All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1854

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	21-08-1854	Monday	ചിങ്ങം 7	21-08-1854 01:49 AM IST	22-08-1854 04:49 AM IST	27 Hours 0 Mins 1 Secs