Ekadasi falls on the eleventh day during the waxing and waning phases of the moon in a traditional Hindu calendar. In 2015, the date of Kartik Ekadasi is November 22. Kartik Ekadasi is the Ekadashi that falls during the waxing phase of moon in Kartik Month (October - November), one of the holiest months is a Hindu calendar. It is also known as Utthana Ekadasi and Prabodini Ekadashi.
As usual there are two Ekadasis in Kartik month but the one during the waxing phase of moon or that comes after Diwali is considered highly auspicious. Kartik is the eighth month in the traditional Hindi calendar and Maharashtrian calendar and several other regional calendars. But Kartik is the first month in the Gujarati calendar.
Some of the auspicious events during Kartik Ekadasi include:
The Chatur Mas period comes to an end during Kartik Ekadasi.
Tulsi Vivah is observed by some communities on the day.
Pandharpur Palki Kartik Ekadasi Yatra is observed on the day in
Vrindavan Mathura Parikrama is observed on the day by Vishnu devotees.