The Scofield Bible Commentary, by Cyrus Ingerson Scofield, [1917], at sacred-texts.com
And it shall come to pass
Zechariah 13 now returns to the subject of (Zac 12:10). (Zac 13:8); (Zac 13:9) refer to the sufferings of the remnant; (Isa 1:9); (Rom 11:5) preceding the great battle. Zechariah 14 is a recapitulation of the whole matter. The order is:
(1) The gathering of the nation, (Zac 13:2) (see "Armageddon," (Rev 16:14) (See Scofield) - (Rev 19:11).
(2) the deliverance, (Zac 13:3);
(3) the return of Christ to the Mount of Olives, and the physical change of the scene, (Zac 13:4-8);
(4) the setting up of the kingdom, and full earthly blessing, (Zac 13:9-21).