1 Samuel 7:6 New King James Version (NKJV)

⁶ So they gathered together at Mizpah, drew water, and poured it out before the Lord. And they fasted that day, and said there, “We have sinned against the Lord.” And Samuel judged the children of Israel at Mizpah.

Ezra 8:21 New King James Version (NKJV)

Fasting and Prayer for Protection

²¹ Then I proclaimed a fast there at the river of Ahava, that we might humble ourselves before our God, to seek from Him the right way for us and our little ones and all our possessions.

Jeremiah 36:9 New King James Version (NKJV)

⁹ Now it came to pass in the fifth year of Jehoiakim the son of Josiah, king of Judah, in the ninth month, that they proclaimed a fast before the Lord to all the people in Jerusalem, and to all the people who came from the cities of Judah to Jerusalem.

Jonah 3:5 New King James Version (NKJV)

The People of Nineveh Believe

⁵ So the people of Nineveh believed God, proclaimed a fast, and put on sackcloth, from the greatest to the least of them.