The fast that ends at moonrisePunjabi · Hindi Belt · Rajasthani/Marwari
Karva Chauth is kept from before dawn until the moon appears, without food and in the stricter observance without water. What makes it distinctive is the ending: the fast does not break at a time but at a sighting, so the whole day is spent waiting on the sky, and a cloudy evening is a genuine ordeal that people remember for years.