'Nights' in the Bible

For after seven days I will send rain on the earth for forty days and forty nights, for the destruction of every living thing which I have made on the face of the earth.

And rain came down on the earth for forty days and forty nights.

And Moses went up the mountain, into the cloud, and was there for forty days and forty nights.

And for forty days and forty nights Moses was there with the Lord, and in that time he had no food or drink. And he put in writing on the stones the words of the agreement, the ten rules of the law.

When I had gone up into the mountain to be given the stones on which was recorded the agreement which the Lord made with you, I was on the mountain for forty days and forty nights without taking food or drinking water.

Then at the end of forty days and forty nights the Lord gave me those stones, the stones of the agreement.

And I went down on my face before the Lord, as at the first, for forty days and forty nights, without taking food or drinking water, because of all your sin, in doing evil in the eyes of the Lord and moving him to wrath.

So I went down on my face in prayer before the Lord for forty days and forty nights as I did at first; because the Lord had said that he would put an end to you.

And I was in the mountain, as at the first time, for forty days and forty nights; and again the ears of the Lord were open to my prayer, and he did not send destruction on you.

And they gave him part of a cake of figs and some dry grapes; and after the food, his spirit came back to him, for he had had no food or drink for three days and nights.

So he got up and took food and drink, and in the strength of that food he went on for forty days and nights, to Horeb, the mountain of God.

And they took their seats on the earth by his side for seven days and seven nights: but no one said a word to him, for they saw that his pain was very great.

So I have for my heritage months of pain to no purpose, and nights of weariness are given to me.

And the Lord made ready a great fish to take Jonah into its mouth; and Jonah was inside the fish for three days and three nights.