Are you guys shi**ing me??

To understand why darkness doesn’t have a speed, we have to understand why Light has the speed.

Speed = D/T, where D is distance traveled and T is time taken. This implies there has to be an “object” that is doing the traveling.

In case of Light, it is the electromagnetic radiation that is doing the traveling. Light wave or light energy travels with a constant speed of “c” in a vacuum.

As somebody (NightElf) pointed out, darkness is the LACK of light. It is not an energy or an entity. Like coldness is absence of heat (which is another energy), dark is absence of light. If there is no energy or entity, who is doing the traveling?

Hence, darkness has NO speed.