The importance and greatness of Devasayani Ekadasi is explained in Bhavishya-uttara Purana. When Yudhistira asked about the Shayana Ekadasi fasting and observance, Lord Sri Krishna explained the glory of Shayana Ekadashi vrata which was told earlier by Lord Brahma to Sage Narada. The most auspicious Chaturmasa Vrata starts on this Ekadasi day. In Maharashtra, Ashadi Ekadashi is also observed as closing ceremony day of Pandharpur Yatra.
