Genesis 7:12
And the rain was upon the earth forty days and forty nights.
Genesis 7:4
For in seven more days I will cause it to rain upon the earth forty days and forty nights. And I will destroy from off the face of the earth every living thing that I have made.
Genesis 7:17
And the flood was upon the earth forty days. And the waters increased and bore up the ark, and it was lifted up above the earth.
Exodus 24:18
And Moses went into the midst of the cloud, and went up into the mountain. And Moses was in the mountain forty days and forty nights.
Deuteronomy 9:9
When I had gone up into the mountain to receive the tablets of stone, the tablets of the covenant which Jehovah made with you, then I stayed in the mountain forty days and forty nights. I neither ate bread nor drank water.
Deuteronomy 9:18
And I fell down before Jehovah, as at the first, forty days and forty nights. I neither ate bread nor drank water, because of all your sins which you sinned in doing wickedly in the sight of Jehovah to provoke Him to anger.
Deuteronomy 10:10
And I stayed in the mountain, according to the first time, forty days and forty nights. And Jehovah listened to me at that time also. Jehovah would not destroy you.
1 Kings 19:8
And he arose, and ate and drank, and went in the strength of that food forty days and forty nights to Horeb the mount of God.
Matthew 4:2
And when He had fasted forty days and forty nights, He was afterwards hungry.