The auspicious festival, Kartik Prabodhini Ekadashi also known as Dev Uthani Ekadashi or Devutthana Ekadashi, is considered most preferred auspicious day of marriage (Vivah Muhurat) of Hindus. Dev Uthani Ekadashi or Dev Uthani Gyaras Vrat falls on 19 November, 2018. This auspicious Tithi of Dev Uthani Ekadashi/ Prabodhini Ekadashi is celebrated on the 11th day or 11th Tithi (Ekadashi) during waxing Moon in the second fortnight (Shukla Paksha) of the lunar month of Kartik. It is observed as the beginning of the wedding season for Hindus, with Lord Vishnu’s Awakening and Tulsi Vivah with Saligram after the end of the four month’s Chaturmas, usually considered as the end of the wedding season.
Hindus observe fast on this day as it is believed that it ends most of the ill-effects of their past sins.