What's the speed of dark?

Hi, The speed of light can be made because light exists. Darkness does not exist, hope you are getting my point. Darkness is nothing but non existence of light.When there is no light it is dark and darkness does not travel as light travels. When there is no light it is dark as you can see in space it is dark. We get light through sun and the speed is calculated because it travels to the earth or anywhere else. No speed for darkness and non existence of light is darkness. Happy Living Calpro

My answer would be, speed of "darkness is directly proportional to the speed of light", I'll tell you why, darkness is defined as the absence of light right, if you put a light source it moves away directly proportional to the space light occupies, when you you take out the light source darkness comes back to reoccupy the void light is leaving, so I therefore conclude it is directly proportional,hope you enjoyed my Einsteinly theory and explanation

Speed of light is approximately 186,282 miles per second. Darkness is withdrawal of light, which is of the same speed. That is as far as Physics tells us.