Fridays in Ashada month as per traditional Kannada calendar followed in Karnataka is of great importance at the Chamundeshwari Temple
Fridays are of great significance in many temples dedicated to Goddess Shakti in South India .
Origin of Goddess Chamundeshwari is mentioned in the Devi Mahatmya and Markandeya Purana. While Goddess Durga was engaged in a battle with demons Chanda and Munda, Goddess Kali emerged from the forehead of Durga and killed Chanda and Munda. Pleased with Goddess Kali, Durga called her Chamunda.