Pradosh Vrat is dedicated to Shiva and Parvati and is observed on the 13th day of each lunar fortnight in a Hindu calendar. Pradosh Vrat dates in December 2015 are December 8 and December 23.
December 8 Pradosh is on Tuesday, therefore it is known as Bhauma Pradosh.
The fasting on Pradosh begins at sunrise and ends during the twilight period. The fasting is very popular with Shiva devotees in