According to the Hindu calendar, Ekadashi of Shukla Paksha of Ashadh month is on July 10, Sunday, and it is called Devshayani Ekadashi. Devshayani Ekadashi has special significance in Hinduism. This is the same day when Lord Shri Vishnu rests in Kshirsagar for four months. According to the Hindu calendar, there is two Ekadashi tithi every month. The importance of this Ekadashi date of Ashadh month is very high. In such a situation, on the occasion of Devshayani Ekadashi, people worship Lord Vishnu according to law and observe a fast. The fast of Devshayani Ekadashi is considered to fulfill all the wishes.
According to india.com, Devshayani Ekadashi is also called Harishayani Ekadashi. It is believed that from this day, Lord Vishnu goes into yoga Nidra for four months, and Chaturmas starts. On the day of Ekadashi, a fast is observed to please Lord Vishnu, and it is said that if God is pleased with your austerity, then he frees you from all sins.
On this day, women get salvation by worshiping with full hearts and rules. According to Brahmavaivarta Purana, observing the fast of Devshayani Ekadashi fulfills all the wishes. No auspicious work is done during this time. No marriage, mundane, engagement, and Manglik work is done during this time. Renewable virtue is attained by the worship and charity performed on this day. According to the Padma Purana, worshiping Lord Vishnu with lotus flowers on the day of Devshayani Ekadashi worships the deities of the three worlds. For the happiness of Lord Narayan during the night, one should awaken through dance, bhajan-kirtan, and praise.