Matthew 12:40

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

Matthew 16:21

From that time began Jesus to show to His disciples, that He must go to Jerusalem, and suffer many things from the elders and high-priests and scribes, and be killed, and on the third day be raised up.

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, as Jonah was three days and three nights in the belly of the great fish, so shall the Son of Man be three days and three nights in the heart of the earth.
Matthew 16:21
From that time began Jesus to show to His disciples, that He must go to Jerusalem, and suffer many things from the elders and high-priests and scribes, and be killed, and on the third day be raised up.