It is also known as Tripuri poornima and Tripurari Poornima. It is sometimes called Deva-Diwali or Deva-Deppawali – the festival of lights of the gods. The Kartik Purnima festival also coincides with the of .
KartikPoornima is closely associated with Prabodhiniwhich marks the end of Chaturmas, a four-month period when Vishnu is believed to sleep. Prabodhini Ekadashi signifies the awakening of the god.
Chaturmas penance ends on this day. Many fairs that begin on Prabodhini Ekadashi end on Kartik Poornima, Kartika Pournama usually being the most important day of the fair. Fairs that conclude on this day include Prabodhini Ekadashi celebrations at Pandharpur and .
Kartika Pournama is also the last day to perform Tulsi Vivah ceremony that can be performed from Prabodhini Ekadashi.