What This Chapter Is About
Jonah 3 records the most spectacularly successful prophetic mission in the Hebrew Bible. God's word comes to Jonah a second time, and this time he obeys. He enters Nineveh — described as a city of three days' journey — and delivers the shortest prophetic oracle on record: 'In forty days, Nineveh will be overturned.' The entire city responds with immediate, total repentance: from the greatest to the least, they fast and put on sackcloth, and the king himself descends from his throne, removes his royal robes, and sits in ashes. The king issues a decree extending the fast even to animals. God sees their repentance and relents from the disaster He had planned.
What Makes This Chapter Remarkable
The chapter's brevity is itself remarkable — the greatest revival in biblical history is told in ten verses. Jonah's oracle is only five Hebrew words (arba'im yom veNineveh nehpakhet). The verb nehpakhet ('overturned') is the same word used for the destruction of Sodom and Gomorrah (Genesis 19:25), yet it also means 'transformed, turned around' — creating a deliberate double meaning: Nineveh will be either destroyed or transformed. As it turns out, both meanings come true: Nineveh is not destroyed but is 'overturned' through repentance. The response of the animals — covered in sackcloth, denied food and water — borders on the absurd, yet serves to emphasize the totality and sincerity of Nineveh's turning. The verb nacham ('to relent') used of God in verse 10 is the same verb that describes human repentance — God and Nineveh mirror each other's turning.
Translation Friction
The phrase 'a city great to God' (ir gedolah l'Elohim) in verse 3 is an unusual superlative construction — we render it as 'an exceedingly great city' with a note on the Hebrew. The verb nehpakhet in verse 4 is deliberately left as 'overturned' to preserve the ambiguity between destruction and transformation. The phrase vayya'aminu anshei Nineveh b'Elohim ('the people of Nineveh believed God') in verse 5 uses the verb he'emin, which implies trust and reliance, not mere intellectual assent. God's 'relenting' (nacham) in verse 10 raises theological questions about divine immutability that we handle through the translator note rather than by softening the verb.
Connections
Jesus references Nineveh's repentance as a rebuke to His own generation (Matthew 12:41, Luke 11:32): 'The people of Nineveh will stand up at the judgment with this generation and condemn it, for they repented at the preaching of Jonah — and now something greater than Jonah is here.' The forty-day period connects to other biblical testing periods (the flood, Moses on Sinai, Jesus in the wilderness). God's relenting connects to the principle stated in Jeremiah 18:7-8: if a nation turns from evil, God will relent from the disaster He planned.