Bhim Chandi Jayanti is observed on Dwitiya in Krishna Paksha of Bhadrapad Month in North Indian Hindi calendar, just a couple days after Shravan Purnima. In 2016, Bhimchandi Jayanti date is August 20.
Bhim Chandi is a village in Vindhyachal region of Uttar Pradesh.
Bhim Chandi Jayanti is mainly related to victories of Bhima, Second and next to Yudhishtir of Pandavas as per Mahabharata.
As per some other stories, Bhimchandi is a manifestation of Goddess Kali. And her first appearance day is celebrated as Bhimchandi Jayanti in Vindhyachal region of UP.
In 2015, Bhimchandi Jayanti date was August 31 / September 1.