'Proclaim a Fast' in the Bible

And she wrote in the letters, saying, Proclaim a fast, and set Naboth on high among the people:

Proclaim a fasting, call the congregation, gather the elders and all the inhabiters of the land together in to the house of the LORD your God, and cry unto the LORD.

And the men of Nineveh believe in God, and proclaim a fast, and put on sackcloth, from their greatest even unto their least,