Answer:
I am a span of time you can always see through I am also the timepiece with the most pieces. What am I?
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it can neither see nor feel it. What is it?
I appear in the morning. But am always there. You can never see me. Though I am everywhere. By night I am gone, though I sometimes never was. Nothing can defeat me. But I am easily gone.
What runs around all day. Then lies under the bed. With its tongue hanging out?
What is often returned, but never borrowed/
You can always find me in the past. I am created in the present, but the future can not change me. What am I?