“That Day” is the key to the book of Isaiah and many of the other prophets. Note how frequently it occurs. Isa. 2:11; 3:7, 18; 4:1, 2; 5:30; 7:18, 20, 21, 23; 10:27, etc.; Jer. 25:33; Ezek. 38:14, 16; 39:11; 48:35; Joel 3:18; Amos 9:11; Micah 4:6; 7:11, 12; Zeph. 3:11, 16; Hag. 2:23; Zech. 9:16; 12:3, 4, 6, 8, 9, 11; 13:1, 2, 4; 14:6, 8, 13, 21; Mal. 3:17; Mat. 7:22; 24:36; Mark 13:3; Lu. 21:34.
