Ashvin Krishna Chaturthi — Kartika Krishna Chaturthi in North India, whose months end at the full moon. Married women fast from sunrise until the moon rises. Karva Chauth or Karwa Chauth or Karaka Chaturthi (Sanskrit: करकचतुर्थी, romanized: Karakachaturthī) is a Hindu festival celebrated by Hindu women of Northern India, Western India and Nepal in October or November on the Vikram Samvat month of Kartika. Like many Hindu festivals, Karva Chauth is based on a lunisolar variant of the Hindu Calendars. The festival falls on the fourth day of the waning phase of the moon (Krishna Paksha). On Karva Chauth women observe a fast from sunrise to moonrise for the safety and longevity of their husbands. The Karva Chauth fast is traditionally celebrated in Nepal and the states of Delhi, Haryana, Rajasthan, Punjab, Jammu, Madhya Pradesh, Uttar Pradesh, Himachal Pradesh, Fiji. It is celebrated as Atla Tadde in Andhra Pradesh. Wiki link Dates computed from the Sun and Moon as New Delhi's panchang reckons them; regional calendars can differ by a day. Text: Wikipedia (CC BY-SA).