According to the Purnimanta Hindu calendar, it is observed in the month of Kartik. Following the Amanta calendar of Gujarat, Maharashtra and Southern India, it is observed in the month of Ashwin. The festival of Karwa Chauth is more popular in the North Indian states and it’s a very strict fast observed by married women. When Is Karwa Chauth Vrat 2022 in October? Know Date, Significance, All About the Chaturthi Tithi, Shubh Muhurat, Puja Rituals and Customs of the Fasting Festival.