And she shall continue thirty-three days in the blood of her cleansing; no holy thing shall she touch, nor come into the sanctuary, until the days of her cleansing are fulfilled.
For in yet seven days I will cause it to rain on the earth forty days and forty nights; and every living being which I have made will I destroy from the ground.
And the pour of rain was on the earth forty days and forty nights.
And the flood was forty days on 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 seventy days.
And Moses went into the midst of the cloud, and ascended the mountain. And Moses was on the mountain forty days and forty nights.
And he was there with Jehovah forty days and forty nights; he ate no bread, and drank no water. And he wrote on the tables the words of the covenant, the ten words.
when I went up the mountain to receive the tables of stone, the tables of the covenant which Jehovah made with you, and I abode in the mountain forty days and forty nights, I ate no bread and drank no water, --
And it came to pass at the end of forty days and forty nights, that Jehovah gave me the two tables of stone, the tables of the covenant.
And I fell down before Jehovah, as at the first, forty days and forty nights, I ate no bread and drank no water, because of all your sin which ye had sinned, in doing what is evil in the eyes of Jehovah, to provoke him to anger.
So I fell down before Jehovah the forty days and forty nights, as I fell down; for Jehovah had said he would destroy you.
But I stood upon the mountain according to the former days, forty days and forty nights; and Jehovah listened unto me also at that time: Jehovah would not destroy thee.
And they returned from searching out the land after forty days.
After the number of the days in which ye have searched out the land, forty days, each day for a year shall ye bear your iniquities forty years, and ye shall know mine estrangement from you.
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 ate and drank, and went in the strength of that food forty days and forty nights to Horeb the mount of God.
And when thou hast accomplished them, thou shalt lie again on thy right side, and thou shalt bear the iniquity of the house of Judah forty days: I have appointed thee 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 having fasted forty days and forty nights, afterwards he hungered.
And he was in the wilderness forty days tempted by Satan, and was with the wild beasts; and the angels ministered to him.
forty days, tempted of the devil; and in those days he did not eat anything, and when they were finished he hungered.
to whom also he presented himself living, after he had suffered, with many proofs; being seen by them during forty days, and speaking of the things which concern the kingdom of God;
even unto the morning after the seventh sabbath shall ye count fifty days; and ye shall present a new oblation to Jehovah.
Seven weeks shalt thou count: from the beginning of putting the sickle into the corn shalt thou begin to count seven weeks.
So the wall was finished on the twenty-fifth of Elul, in fifty-two days.