Matthew 12:40

"For just as Jonah was three days and three nights in the sea-monster's belly, so the Son of man will be three days and three nights in the heart of the earth.

Matthew 16:21

After this Jesus the Christ began to show his disciples how he must go to Jerusalem, and suffer many things at the hands of the elders and chief priests and Scribes, and be put to death, and on the third day be raised again.

Treasury of Scripture Knowledge

Summary

And it came to pass in the third year, that Jehoshaphat the king of Judah came down to the king of Israel.

Bible References

In the third

Matthew 12:40
"For just as Jonah was three days and three nights in the sea-monster's belly, so the Son of man will be three days and three nights in the heart of the earth.
Matthew 16:21
After this Jesus the Christ began to show his disciples how he must go to Jerusalem, and suffer many things at the hands of the elders and chief priests and Scribes, and be put to death, and on the third day be raised again.