On Each and every Monday on the Shravan month, upto the Amavasya at the hours of darkness fortnight with the Bhadrapada and also from the brilliant fortnight with the Kartika towards the darkish fortnight on the Magasirha, the procession with the lord Mahakal passes from the streets of Ujjain. Legend https://martinwkuhm.wikiexcerpt.com/3024805/mahakal_live_fundamentals_explained