As when he fought— Literally, According to the day of his fighting; that is, with thunder and lightning, storms of wind and hail, earthquakes, &c. See Psalms 18:7-16. Habakkuk 3:5; Habakkuk 3:19.
Related Commentaries of Zechariah 14:3
Zechariah 14:3
3 Then shall the LORD go forth, and fight against those nations, as when he fought in the day of battle.