God is talking to one of his angels. He says, "Boy, I just created a 24-hour period of alternating light and darkness on Earth."
"What are you going to do now?" asks the angel.
"Call it a day", says God.
:o) In that case jim I'm at a complete loss to understand what he was up to. I find genesis a bit vague here, pehaps he was creating some of the arts such as rock music.