One day, eighty-eight thousand (88,000) sages like Shaunak etc. gathered in Naimisharanya and prayed to the the interpreter of all the Puranas, Brahmagyani Shri Sutji - "O most knowledgeable Sutji Maharaj! Please tell us the origin of the Ekadashis and their glorification."
After listening the prayer of the Maharishis, Sutji said - "O great ascetic Maharishis! Dharmaraja Yudhishthir had also asked the same question to Lord Krishna during his fifth Ashwamedha Yajna.
On this, I will narrate the entire story to all of you described by Lord Shri Krishna, listen carefully-
There are twelve months in a year and two Ekadashis in a month, so there are twenty-four (24) Ekadashis in a year.
In the year in which Adhik (Laund) month falls, two Ekadashis increased.
Including these two Ekadashis there are a total twenty-six (26) Ekadashis-
The names of both the Ekadashi days of Adhik month are-
All these Ekadashis are fruitful as per their names.