E. Dwadashi, after the sun rises. It can be of utmost significance that Ekadashi Parana is carried out within the Dwadashi tithi only, and especially in the very first quarter of the working day, which happens to be also referred to as as Hari vasar Devotees notice Ekadashi Vrat veneration https://www.instagram.com/p/DNf_DqJsAU3/