Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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Matthew 12:40

For as Jonah was three days and three nights in the belly of the huge fish, so will the Son of Man be three days and three nights in the heart of the earth.

Parallel Translations

KJVView canonical →
For as Jonas was three days and three nights in the whale’s belly; so shall the Son of man be three days and three nights in the heart of the earth.
King James Version

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