Genesis 2:1-2
Modern English Version
2 So the heavens and the earth, and all their hosts, were finished.
2 On the seventh day God completed His work which He had done, and He rested on the seventh day from all His work which He had done.
2 Peter 3:8
Modern English Version
8 But, beloved, do not be ignorant of this one thing, that with the Lord one day is as a thousand years, and a thousand years as one day.