Luke 24:46 states Christ must suffer and rise on the third day, directly fulfilling the sign of Jonah's three days.

Jonah 1:17 describes Jonah's three days in the fish, the event that prefigures Jesus' burial and resurrection.

Jonah 2:10 records Jonah's deliverance from the fish, a type of Christ's resurrection after three days.

Jonah 3:2-10 shows the Ninevites repenting at Jonah's preaching, illustrating how the sign leads to repentance.

Matthew 12:40-42 explicitly connects Jonah's three days to Jesus' death and resurrection, and the Ninevites' repentance.

Ezekiel 24:24 explicitly calls Ezekiel a sign to Israel — directly parallel to Jonah and Jesus as signs to their generations.

Matthew 12:39 records the same teaching about the sign of Jonah, reinforcing Jesus' statement here.

Matthew 16:4 repeats the sign of Jonah saying, confirming Jesus' consistent teaching across Gospels.

John 6:30 records the crowd asking for a sign — echoing the same sign‑seeking generation Jesus rebukes here.