Answer:
Double my number, I'm less than a score. Half of my number is less than four. Add one to my double when bakers are near. Days of the week are still greater, I fear.
What is that over the head and under the hat?
Only two backbones and thousands of ribs.
I march before armies, a thousand salute me. My fall can bring victory, but no one would shoot me. The wind is my lover, one-ยญlegged am I. Name me and see me at home in the sky.
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.
If itโs information you seek, come and see me. If itโs pairs of letters you need, I have consecutively three. What am I?