Kamika Ekadasi is observed during the waning phase of moon in the month July or early August. In 2017, the date of Kamika Ekadasi is July 19. The importance of this Ekadashi was narrated by Lord Krishna to Yudhisthira and is found in the Brahmavaivarta Purana. Originally, it was narrated by Lord Brahma to Narada Maharishi. It is believed that observing this Ekadashi is equal to bathing in sacred rivers on auspicious days.