Parallel
Matthew 12:40
King James Version (1769 Blayney revision, with Apocrypha) · Berean Standard Bible
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.
For as Jonah was three days and three nights in the belly of the great fish, so the Son of Man will be three days and three nights in the heart of the earth.