Genesis 7:12

⁴In seven days, I will cause it to rain on the earth for forty days and forty nights. I will destroy every living thing that I have made from the surface of the ground.”

²When he had fasted forty days and forty nights, he was hungry afterward.

¹⁷The flood was forty days on the earth. The waters increased, and lifted up the ship, and it was lifted up above the earth.

¹⁸Moses entered into the middle of the cloud, and went up on the mountain; and Moses was on the mountain forty days and forty nights.

¹⁰I stayed on the mountain, as at the first time, forty days and forty nights; and the LORD listened to me that time also. The LORD would not destroy you.

⁹When I had gone up onto the mountain to receive the stone tablets, even the tablets of the covenant which the LORD made with you, then I stayed on the mountain forty days and forty nights. I neither ate bread nor drank water.

¹⁸I fell down before the LORD, as at the first, forty days and forty nights. I neither ate bread nor drank water, because of all your sin which you sinned, in doing that which was evil in the LORD’s sight, to provoke him to anger.

⁸He arose, and ate and drank, and went in the strength of that food forty days and forty nights to Horeb, God’s Mountain.