She shall continue in the blood of purification thirty-three days. She shall not touch any holy thing, nor come into the sanctuary, until the days of her purifying are completed.
In seven days, I will cause it to rain on the earth for forty days and forty nights. Every living thing that I have made, I will destroy from the surface of the ground."
The rain was on the earth forty days and forty nights.
The flood was forty days on the earth. The waters increased, and lifted up the ship, and it was lifted up above the earth.
It happened at the end of forty days, that Noah opened the window of the ship which he had made,
Forty days were fulfilled for him, for that is how many the days it takes to embalm. The Egyptians wept for him for seventy days.
Moses entered into the midst of the cloud, and went up on the mountain; and Moses was on the mountain forty days and forty nights.
He was there with Yahweh forty days and forty nights; he neither ate bread, nor drank water. He wrote on the tablets the words of the covenant, the ten commandments.
When I was gone up onto the mountain to receive the tables of stone, even the tables of the covenant which Yahweh made with you, then I stayed on the mountain forty days and forty nights; I did neither eat bread nor drink water.
It came to pass at the end of forty days and forty nights, that Yahweh gave me the two tables of stone, even the tables of the covenant.
I fell down before Yahweh, as at the first, forty days and forty nights; I did neither eat bread nor drink water; because of all your sin which you sinned, in doing that which was evil in the sight of Yahweh, to provoke him to anger.
So I fell down before Yahweh the forty days and forty nights that I fell down, because Yahweh had said he would destroy you.
I stayed on the mountain, as at the first time, forty days and forty nights: and Yahweh listened to me that time also; Yahweh would not destroy you.
They returned from spying out the land at the end of forty days.
After the number of the days in which you spied out the land, even forty days, for every day a year, you will bear your iniquities, even forty years, and you will know my alienation.'
1 Samuel 17:16
The Philistine drew near morning and evening, and presented himself forty days.
1 Kings 19:8
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.
Again, when you have accomplished these, you shall lie on your right side, and shall bear the iniquity of the house of Judah: forty days, each day for a year, have I appointed it to you.
Jonah began to enter into the city a day's journey, and he cried out, and said, "In forty days, Nineveh will be overthrown!"
When he had fasted forty days and forty nights, he was hungry afterward.
He was there in the wilderness forty days tempted by Satan. He was with the wild animals; and the angels were serving him.
for forty days, being tempted by the devil. He ate nothing in those days. Afterward, when they were completed, he was hungry.
To these he also showed himself alive after he suffered, by many proofs, appearing to them over a period of forty days, and speaking about God's Kingdom.
even to the next day after the seventh Sabbath you shall number fifty days; and you shall offer a new meal offering to Yahweh.
You shall count for yourselves seven weeks: from the time you begin to put the sickle to the standing grain you shall begin to number seven weeks.
So the wall was finished in the twenty-fifth [day] of [the month] Elul, in fifty-two days.