Ogrohayon

Ogrohayon ( "Ôgrôhayôn") or alternately spelled Agrahayan is the eighth month in the Bengali calendar. It is the second of the two months that make up the Dry season, locally called "Hemanta" ( "Hemôntô"). It is commonly believed that this month is very auspicious for marriage.
Etymology.
The month is named after the star Mrigashīra ( "Mrigôshira").
Festival.
The first day of the month is the Nabanna harvest festival.