With a date it signifies Before Guild and identifies the Imperial dating system based on the genesis of the Spacing Guild’s monopoly.
During this period, it was said that Genesis was reinterpreted, permitting God to say: "Increase and multiply, and fill the universe, and subdue it, and rule over all manner of strange beasts and living creatures in the infinite airs, on the infinite earths and beneath them."
There are no more uses of "genesis" in the book.
Show samples from other sources
When we were first dating, a Genesis song came on the radio: "She seems to have an invisible touch, yeah."
Gillian Flynn -- Gone Girl
Genesis 1:1 In the beginning God created the heaven and the earth.