Jonah 1:17

17 Now the LORD had prepared a great fish to swallow up Jonah. And Jonah was in the belly[a] of the fish three days and three nights.

Jonah 1:17 In-Context

15 So they took up Jonah, and cast him forth into the sea: and the sea ceased from her raging.
16 Then the men feared the LORD exceedingly, and offered a sacrifice unto the LORD, and made vows.
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.

Footnotes 1

The King James Version is in the public domain.