'Forty Days' in the Bible

For after seven more days, I will send rain on the earth forty days and forty nights; and I will blot out from the face of the land every living thing that I have made.”

The rain fell upon the earth for forty days and forty nights.

Then the flood came upon the earth for forty days, and the water increased and lifted up the ark, so that it rose above the earth.

Then it came about at the end of forty days, that Noah opened the window of the ark which he had made;

Now forty days were required for it, for such is the period required for embalming. And the Egyptians wept for him seventy days.