Answer:
I am a king who's good at measuring stuff.
I go around a yard but does not move.
What is the beginning of eternity the end of time and space the beginning of every end and the end of every race?
I am enjoyed by some despised by others. Some take me for granted some treasure me like a gift. I last forever unless you break me first.
What is harder to catch the faster you run?
When is it bad luck to see a black cat?