Utpanna Ekdashi, Utpatti Ekadasi, is observed in Krishna Paksha Ekadashi in Margashira masam or Margasirsha month. In 2016, Utapanna Ekadasi date is November 25.
This Ekadashi commemorates the demolition of demon Murasura by Lord Vishnu and it is associated with the birth of Ekadasi Mata. When Lord Vishnu was sleeping, demon Mura planned to kill him. Goddess Ekadasi was born by the divine creation and slain the demon.
To honour the courage and devotion towards him, Lord Vishnu thanked Goddess Ekadashi for killing the demon. He also blessed her that whoever observes fast on Ekadasi will get salvation. Lord Krishna advised to his devotees that to start their Ekadasi upvas on Utpanna Ekadashi or Utpatti Ekadasi. They break Ekadasi upavas on Dwadashi day.
It is to note that as per Andhra Pradesh, Telangana, Karnataka, Maharashtra and Gujarat calendars, Utpanna Ekadasi falls on Krishna Ekadashi day in Karthik Month.
In 2015, Utpanna Ekadashi date was December 7.
In 2014, Utapanna Ekadasi date was November 18.
In 2013, Utapanna Ekadasi date was November 29.
Utapanna Ekadasi 2012 date was December 9.