7 Bible Verses about Fasting In Mourning

Elkanah would do this year after year, as often as Hannah went up to the house of the LORD. Likewise, Peninnah would provoke her, and Hannah would cry and would not eat. Elkanah her husband told her, "Hannah, why are you crying and why don't you eat? Why are you upset? Am I not better to you than ten sons?"

So on the second day of the New Moon Jonathan angrily got up from the table without eating because he was upset about David, and because his father had humiliated him.

I weep and fast, and I am mocked for it.

"Yet even now," declares the LORD, "Turn back to me with your whole heart, with fasting, tears, and mourning.

They took their bones, buried them under the tamarisk tree in Jabesh, and fasted for seven days.

They mourned and wept, and then decided to fast until dusk for Saul, for his son Jonathan, for the army of the LORD, and for the house of Israel, because they had fallen in battle.

Ezra arose in front of the Temple of God to visit the apartment of Eliashib's son Jehohanan. While there, he neither ate nor drank because he was in mourning over the sins of those who had returned from exile.