In North India full moon day is known as Purnima
. However in South India full moon day is known as Pournami
and fasting on this day is known as Pournami Vratam
. Pournami Vratam is observed from sunrise to till sighting of the moon.
Pournami Fasting days might not be same for two locations. Hence one should set the location before noting down Pournami Vratam dates.