Joel 1:14
Sanctify you a fast, call a solemn assembly, gather the elders and all the inhabitants of the land into the house of the LORD your God, and cry to the LORD,
Torrey's Topical Textbook—AKJV

Joel 2:12
Therefore also now, said the LORD, turn you even to me with all your heart, and with fasting, and with weeping, and with mourning:
Torrey's Topical Textbook—AKJV