Commentaries:
Jamieson, Fausset, and Brown
Sanctify . . . a fast—Appoint a solemn fast.
solemn assembly—literally, a "day of restraint" or cessation from work, so that all might give themselves to supplication (Joel 2:15-16; I Samuel 7:5-6; II Chronicles 20:3-13).
elders—The contrast to "children" (Joel 2:16) requires age to be intended, though probably elders in office are included. Being the people's leaders in guilt, they ought to be their leaders also in repentance.
Other Jamieson, Fausset, and Brown entries containing Joel 1:14:
1 Kings 21:9
Isaiah 22:12
Joel 1:13
Joel 2:15
Micah 3:5
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