Vihar Panchami, also known as Bihar Panchami, is believed to be the day when Bankebihari (Lord Krishna) appeared before Swami Haridas in Vrindavan. Vihar Panchami 2012 date is December 17. This auspicious event is believed to have taken place on the fifth day during the waxing phase of moon in Margashirsh month as per traditional calendar followed in
The festival is also popularly known as Bihar Panchami, or Bankey Bihari Prakat Mahotsav. It is said that Lord Krishna along with Radha gave darshan to Swami Haridas and later to his disciples at Nitya Vihar.
Entire premises of Nidhivan as well as the Bankey Bihari temple and surroundings are tastefully decorated with flowers, flags, hangings and lights on this occasion. Special pujas and rituals are held on the day. Another major highlight on the day is the colorful processions.