Jonah 1:17
Now the LORD had prepared a great fish to swallow up Jonah. And Jonah was in the belly of the fish three days and three nights.
Nave's Topical Index—AKJV

Jonah 2:1
Then Jonah prayed to the LORD his God out of the fish's belly,
Nave's Topical Index—AKJV

Matthew 12:40
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.
Nave's Topical Index—AKJV