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	27-06-1854	Tuesday	മിഥുനം 15	27-06-1854 02:00 PM IST	28-06-1854 05:00 PM IST	26 Hours 59 Mins 53 Secs