Jonah 1:17
Jonah Prays
(2:1)1:17 The Lord sent a huge fish to swallow Jonah, and Jonah was in the stomach of the fish three days and three nights.
Jonah 3:3
3:3 So Jonah went immediately to Nineveh, as the Lord had said. (Now Nineveh was an enormous city – it required three days to walk through it!)