Gajachayai is observed annually during the Mahalayam fortnight which falls before Ashwin Navratri (September – October). Gajachayai 2011 date is September 25. It is observed on the Krishna Paksha Trayodasi or the thirteenth day. This day is chosen by those people who do not perform paksha mahalyam – rituals on all 15 days. This fortnight is popularly known as Pitru Paksha Shradh.
Observing one day Shradham is known as Sakrun Mahalayam. Sakrun Mahalayam is in addition to the Amavasya Shradh, which should be performed by all people.
The importance of Gajachayai is that one need not worry about tithi, vara, Nakshatra and other doshas and can perform the ritual.
