The story
The festival belongs to the Sun and to Chhaṭhī Maiyā, the sixth-day goddess, the Sun's sister and the protector of children. The Mahābhārata attaches it to Karṇa, the Sun's son, who stood in water and offered to his father each day, and to Draupadī, who kept the fast for her husbands' return. Nothing in it needs a priest: the family performs everything itself.
It is the festival of Bihar, Jharkhand, eastern Uttar Pradesh and the Terai of Nepal, and it has travelled with them: the ghats of Delhi, Mumbai and Kolkata fill with it, and the tanks of New Jersey and Toronto too.
Where most festivals worship the rising Sun, Chhaṭh offers first to the setting one. Thanks to the day that has ended come before the request to the day that begins.
