Jonah 3:5-7

5And the men of Nineveh believed 1God, and proclaimed a fast, and put on sackcloth, from the greatest of them even to the least of them.

6And the word reached the king of Nineveh, and he arose from his throne, and laid his robe from him, and covered himself with sackcloth, and sat in ashes.

7And he caused it to be proclaimed and published through Nineveh by the decree of the king and his nobles, saying, Let neither man nor beast, herd nor flock, taste anything: let them not feed, nor drink water;