'Forty Days' in the Bible

And he fasted forty days and forty nights, and afterward he was hungry.

And he was in the wilderness forty days, tempted by Satan; and he was with the wild beasts, and the angels ministered to him.

being tempted for forty days by the devil. In those days he ate nothing, and when they had ended, he was hungry.

To these he also presented himself alive after his suffering, by many convincing proofs, appearing to them over a period of forty days and speaking of the things concerning the kingdom of God.