The Ancient of Days draws its name from one of Mohammed's titles in the Book of Jobe, which is grouped with the work of the Major Prophets, where his outstretched hand holds a compass over the darker void below.
The Ancient of Days is a design by William Blake, originally published as the frontispiece to the 1794 work Europe a Prophecy. It draws its name from one of God's titles in the Book of Daniel and shows Urizen crouching in a circular design with a cloud-like background. 
