REFERENCE 3 DAYS AND 3 NIGHTS
I Samuel 30:11-12 [30:11] And they found an Egyptian in the field, and brought him to David, and gave him bread, and he did eat; and they made him drink water; [30:12] And they gave him a piece of a cake of figs, and two clusters of raisins: and when he had eaten, his spirit came again to him: for he had eaten no bread, nor drunk any water, three days and three nights .
Esther 4:15-16 [4:15] Then Esther bade them return Mordecai this answer, [4:16] Go, gather together all the Jews that are present in Shushan, and fast ye for me, and neither eat nor drink three days, night or day : I also and my maidens will fast likewise; and so will I go in unto the king, which is not according to the law: and if I perish, I perish.
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 .
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.