And she shall then continue in the blood of her purification three and thirty days; she shall touch no hallowed thing, nor come into the sanctuary, until the days of her purification be fulfilled.
For yet seven days, and I will cause it to rain upon the earth forty days and forty nights; and every living thing that I have made will I destroy from off the face of the earth.
And the rain was upon the earth forty days and forty nights.
And the flood was forty days upon the earth; and the waters increased, and bore up the ark, and it was lifted up above the earth.
And it came to pass at the end of forty days, that Noah opened the window of the ark which he had made:
And forty days were fulfilled for him; for so are fulfilled the days of those who are embalmed: and the Egyptians mourned for him three score and ten days.
And Moses went into the midst of the cloud, and got him up into the mount: and Moses was in the mount forty days and forty nights.
And he was there with the LORD forty days and forty nights; he did neither eat bread, nor drink water. And he wrote upon the tables the words of the covenant, the ten commandments.
When I was gone up into the mount to receive the tables of stone, even the tables of the covenant which the LORD made with you, then I abode in the mount forty days and forty nights, I neither did eat bread nor drink water:
And it came to pass at the end of forty days and forty nights, that the LORD gave me the two tables of stone, even the tables of the covenant.
And I fell down before the LORD, as at the first, forty days and forty nights: I did neither eat bread, nor drink water, because of all your sins which you sinned, in doing wickedly in the sight of the LORD, to provoke him to anger.
Thus I fell down before the LORD forty days and forty nights, as I fell down at the first; because the LORD had said he would destroy you.
And I stayed in the mount, the same as the first time, forty days and forty nights; and the LORD hearkened unto me at that time also, and the LORD would not destroy you.
And they returned from searching of the land after forty days.
After the number of the days in which you searched the land, even forty days, each day for a year, shall you bear your iniquities, even forty years, and you shall know my displeasure.
1 Samuel 17:16
And the Philistine drew near morning and evening, and presented himself forty days.
1 Kings 19:8
And he arose, and did eat and drink, and went in the strength of that food forty days and forty nights unto Horeb the mount of God.
And when you have accomplished them, lie again on your right side, and you shall bear the iniquity of the house of Judah forty days: I have appointed you each day for a year.
And Jonah began to enter into the city a day's journey, and he cried, and said, Yet forty days, and Nineveh shall be overthrown.
And when he had fasted forty days and forty nights, he was afterward hungry.
And he was there in the wilderness forty days, tempted of Satan; and was with the wild beasts; and the angels ministered unto him.
Being forty days tempted of the devil. And in those days he did eat nothing: and when they were ended, he afterward hungered.
To whom also he showed himself alive after his passion by many infallible proofs, being seen of them forty days, and speaking of the things pertaining to the kingdom of God:
Even unto the day after the seventh sabbath shall you number fifty days; and you shall offer a new grain offering unto the LORD.
Seven weeks shall you number unto you: begin to number the seven weeks from such time as you begin to put the sickle to the grain.
So the wall was finished in the twenty and fifth day of the month Elul, in fifty and two days.