Answer:
I move without wings between silken strings. I leave as you find my substance behind
I live above a star who never burns. I have 11 neighbors but they never turn. My initials are p q r and sometimes s.
Curtail me thrice I am a youth; behead me once a snake; complete I'm often used in truth when certain steps you'd take.
I love to twist and dance. Though wingless I fly high up into the sky.
What did the thief get for stealing the calendar?
What never gets any wetter no matter how hard it rains?