Passage
Yahweh will be seen over them; and his arrow will go flash like lightning; and the Lord Yahweh will blow the trumpet, and will go with whirlwinds of the south.
Yahweh will be seen over them; and his arrow will go flash like lightning; and the Lord Yahweh will blow the trumpet, and will go with whirlwinds of the south.
Zechariah 9:12 Turn to the stronghold, you prisoners of hope! Even today I declare that I will restore double to you.
Zechariah 9:13 For indeed I bend Judah as a bow for me. I have filled the bow with Ephraim; and I will stir up your sons, Zion, against your sons, Greece, and will make you like the sword of a mighty man.
Zechariah 9:14 Yahweh will be seen over them; and his arrow will go flash like lightning; and the Lord Yahweh will blow the trumpet, and will go with whirlwinds of the south.
Zechariah 9:15 Yahweh of Armies will defend them; and they will destroy and overcome with sling stones; and they will drink, and roar as through wine; and they will be filled like bowls, like the corners of the altar.
Zechariah 9:16 Yahweh their God will save them in that day as the flock of his people; for they are like the jewels of a crown, lifted on high over his land.
The verse centers on "light", "yahweh", "seen", "over", "arrow", "flash", "like", and "lightning". It is saying that the verse draws attention to "light" and "yahweh", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 13's "For indeed I bend Judah as a..." into verse 15's "Yahweh of Armies will defend them and...", so "light" and "yahweh" belong inside that flow. In Zechariah context, the local focus is covenant, worship, and faithfulness.
A plain takeaway is to answer the verse's own emphasis on "light" and "yahweh" with trust shaped by these words, not by a vague optimism outside the passage.