I've taken up cantleave's challenge and done some research regarding Magnum's point.
W 2007 2/1 states this whilst bashing the 100 minute bible
Aside from the omission of the divine name, Jehovah, a number of other deviations will be noted by serious Bible students. (Psalm 83:18) For example, section 1 states that God “created heaven and earth over a period of six days.” Genesis 1:1, however, simply says: “In the beginning God created the heavens and the earth.” After that, the original account describes further acts of creation involving the earth, lasting six “days,” or periods of time. Then, Genesis 2:4 sums up the entire period of creation, calling it “the day that Jehovah God made earth and heaven.”
This is from the Creation book
The first part of Genesis indicates that the earth could have existed for billions of years before the first Genesis “day,” though it does not say for how long.