Jonah 3:5

3:5 The people of Nineveh believed in God, and they declared a fast and put on sackcloth, from the greatest to the least of them.

Jonah 3:2

3:2 “Go immediately to Nineveh, that large city, and proclaim to it the message that I tell you.”

Jonah 1:3

1:3 Instead, Jonah immediately headed off to Tarshish to escape from the commission of the Lord. He traveled to Joppa and found a merchant ship heading to Tarshish. So he paid the fare and went aboard it to go with them to Tarshish far away from the Lord.

Ezra 8:21

8:21 I called for a fast there by the Ahava Canal, so that we might humble ourselves before our God and seek from him a safe journey for us, our children, and all our property.

Joel 2:15-16

2:15 Blow the trumpet in Zion.

Announce a holy fast;

proclaim a sacred assembly!

2:16 Gather the people;

sanctify an assembly!

Gather the elders;

gather the children and the nursing infants.

Let the bridegroom come out from his bedroom

and the bride from her private quarters.