World English Bible

Jonah 3:4

“Jonah began to enter into the city a day's journey, and he cried out, and said, "In forty days, Nineveh will be overthrown!”

Jonah 3:4 in the King James Version

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.

Arise, go to Nineveh, that great city, and preach to it the message that I give you.

So Jonah arose, and went to Nineveh, according to the word of Yahweh. Now Nineveh was an exceedingly great city, three days' journey across.

Jonah began to enter into the city a day's journey, and he cried out, and said, "In forty days, Nineveh will be overthrown!

The people of Nineveh believed God; and they proclaimed a fast, and put on sackcloth, from the greatest of them even to the least of them.

The news reached the king of Nineveh, and he arose from his throne, and took off his royal robe, covered himself with sackcloth, and sat in ashes.

Deuteronomy 18:22
when a prophet speaks in the name of Yahweh, if the thing doesn't follow, nor happen, that is the thing which Yahweh has not spoken: the prophet has spoken it presumptuously, you shall not be afraid of him.
Jeremiah 18:7-10
At what instant I shall speak concerning a nation, and concerning a kingdom, to pluck up and to break down and to destroy it; if that nation, concerning which I have spoken, turn from their evil, I will repent of the evil that I thought to ...
2 Kings 20:6
I will add to your days fifteen years. I will deliver you and this city out of the hand of the king of Assyria. I will defend this city for my own sake, and for my servant David's sake.
Jonah 3:10
God saw their works, that they turned from their evil way. God relented of the disaster which he said he would do to them, and he didn't do it.
2 Kings 20:1
In those days was Hezekiah sick to death. Isaiah the prophet the son of Amoz came to him, and said to him, "Thus says Yahweh, 'Set your house in order; for you shall die, and not live.

Cross references from OpenBible.info

God’s mercy shown to Nineveh through Jonah’s reluctant mission.