All Poosam timings are calculated according to ⚠ Indian Standard Time (IST). - Download poosam calendar 1872

S.No	Gregorian Date	Weekday	Traditional Month & Date	Poosam Start Time	Poosam End Time	Star Duration
1	13-05-1872	Monday	Vaikasi 1	13-05-1872 09:56 AM IST	14-05-1872 12:56 PM IST	27 Hours 0 Mins 1 Secs