Today, 9 December 2012 is Ekadasi, Smart Ekadasi. 10 December is Bhagvat Ekadasi (Vaishnav Ekadasi). It is referred to as Utpanna Ekadasi (Utpatti Ekadasi).
It falls in Krishna Paksha of Margashirsha Month as per North Indian Hindi calendar and in Kartik Month according to Marathi, Telugu, Kannada & Gujarati calendars.
This Ekadasi is celebrated Triprayer Ekadasi in Triprayar Sri Rama Temple near Thrissur town in Kerala. It falls in Vrischika Masam as per Malayalam calendar.
In 2012, Utpanna Ekadasi falls in Karthigai Masam of Tamil Panchangam and Agrahan Month in Bengali calendar.