Answer:
I have a face, yet no senses. But I don't really care, because time is of the essence.
Thirty white horses on a red hill, First they champ, Then they stamp, Then they stand still.
I can be written, I can be spoken, I can be exposed, I can be broken.
When does Christmas come before Thanksgiving?
My first keeps time, my second spends time, my whole tells time.
I’m grown from darkness but shine with a pale light. Very round I am and always a lady's delight.