2 Peter 3:5-8

But they conveniently overlook that from the beginning, the heavens and earth were created by God’s word. He spoke and the dry ground separated from the waters. Then long afterward he destroyed the world with a tremendous flood by those very waters. And now, by the same powerful word, the heavens and the earth are reserved for fire, being kept for judgment day, when all the ungodly will perish. So, dear friends, don’t let this one thing escape your notice: a single day counts like a thousand years to the Lord YAHWEH, and a thousand years counts as one day.