Today, 25 October 2012 is Ekadasi (Pasankusa Ekadasi). It is also known as Papankusha Ekadashi.
Pasankusa Ekadasi falls on 11th day of Shukla Paksha of Ashwin Month in North Indian Hindi calendar, Marathi, Telugu, Kannada & Gujarati Panchangams.
Pasankusa Ekadasi, the story of this Ekadasi, is mentioned in the Brahma Vaivarta Purana as a conversation between Lord Krishna and King Yudhishtira.
Lord Vishnu is worshipped in the form of Lord Padmanabha Swamy on this day.