Answer:
What measures out time. Until in time all is smashed to it?
What has six faces and twenty-one eyes?
My first half is normally made of stone, my second is crazy, and I taste sweet when complete.
So cold, damp and dark this place. To stay you would refrain, yet those who occupy this place do never complain.
You can hold it without using your hands or your arms. What is it?
I can only be played on a windy day