The sacred commencement of Chaturmas takes place on the 14th day of the fortnight of the waxing moon, in the month of Ashad. The Jain Sadhus and Sadhvis remain where they happen to be on that day until the 14th day of Kartik Shukla. They have to stay there. During these four months. among the Jains, many austerities like renunciation, tapasya, undertaking of religious ceremonies, etc., are organized. Even in respect of eating and drinking during these days, some rules have been prescribed.