Answer:
A word I know, six letters it contains. Subtract just one and twelve remains.
I am a span of time you can always see through I am also the timepiece with the most pieces. What am I?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.
Forward Iām heavy, but backwards Iām not.
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around
I have two eyes in the front and a lot of eyes on my tail