Pradosh Vrat is dedicated to Shiva and Parvati on the 13th day of a lunar fortnight. Som Pradosh is observed when Pradosha Vrata day falls on a Monday. Som Pradosh 2014 dates are January 13, May 12, May 26 and October 6.
Monday is dedicated to Shiva. So when Pradosh falls on Monday it is considered highly auspicious day to offer pujas and prayers to Shiva.
Pradosh as the name indicates is a period just before sunset and after sunset. Roughly, the Pradosha period is between 1.5 hours before sunset and 1 hour after sunset. It is said that Shiva and Parvati are in a happy mood during Pradosha period and they shower blessings on devotees.
Shiva devotees fast on the Pradosh day and the fast is broken after evening pujas.
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