The story
Karvā is the clay pot with a spout that the women exchange, and cauth the fourth day. The fast is kept by married women for their husbands' long life, and it is the festival of the north-west: Punjab, Haryana, Rajasthan, Delhi and the western Uttar Pradesh.
The story told at the pūjā is Queen Vīrāvatī's. Weak with hunger, she was tricked by her seven brothers with a mirror in a tree into thinking the moon had risen, broke her fast, and her husband died at once; she kept the fast again in full and he was restored. The fast is not to be broken before the true moon.
The day may have begun as the women's day before the men went to war, or as the friendship day on which a new bride chose a sister-friend in her husband's village; both readings survive in the customs.
