Answer:
It comes only before, it comes only after. Rises only in darkness, but rises only in light. It is always the same, but is yet always different.
This is a dead giveaway
What has one hand longer than the other, and goes on all day and night?
What kind of room doesn't have physical walls?
Goliath, The Jolly Green and Andre are all examples of this.
I always have to work with something in my eye. What am I?