Mahakaleshwar Mahadev

Timings
The temple is open from 04.00 a.m. to 12.00 midnight for worship. People can perform pooja as per their convenience with sacred Ganges water and flowers etc
Towards the east of Daksheshwar Ling is the Mahakaleshwar Ling. By worshipping this Ling, the devotee gets the benefits of worshipping the entire world. (Kashi Khand, Chapter 97). Here, it may mean that of all the deities spread over the world. Mahakaleshwar is capable of saving devotees from untimely death.
While Mahakaleshwar Jyotirling is in Ujjain, people worship this temple in Kashi (as Jyotirling of the same name) as it is stated to be equivalent in strength.