Zechariah 14:16–21 (NKJV)
16 And it shall come to pass that everyone who is left of all the nations which came against Jerusalem shall go up from year to year to worship the King, the Lord of hosts, and to keep the Feast of Tabernacles. 17 And it shall be that whichever of the families of the earth do not come up to Jerusalem to worship the King, the Lord of hosts, on them there will be no rain. 18 If the family of Egypt will not come up and enter in, they shall have no rain; they shall receive the plague with which the Lord strikes the nations who do not come up to keep the Feast of Tabernacles. 19 This shall be the punishment of Egypt and the punishment of all the nations that do not come up to keep the Feast of Tabernacles.
20 In that day “HOLINESS TO THE LORD” shall be engraved on the bells of the horses. The pots in the Lord’s house shall be like the bowls before the altar. 21 Yes, every pot in Jerusalem and Judah shall be holiness to the Lord of hosts. Everyone who sacrifices shall come and take them and cook in them. In that day there shall no longer be a Canaanite in the house of the Lord of hosts.
The last scene in the book of Zechariah is a picture of the world after Armageddon. It will be a new world not entirely unrelated to the previous world. A remnant of the nations that participated in the last battle against Jerusalem shall survive. And that remnant of the Gentiles will be divided between those who become worshipers of Yahweh of hosts and make the pilgrimage to Zion to celebrate the Feast of Tabernacles, and those who will not go up to Jerusalem for the feast. Those who go up and worship Yahweh will become a part of Yahweh’s kingdom. Those who do not will suffer the same kind of plague that the original invaders of Jerusalem suffered (14:12) and will experience a death-wielding drought (14:17–18). Egypt seems to be singled out for special attention in vv 18 and 19, perhaps because the threat of a plague reminded the author of the earlier plagues of Egypt at the time of the exodus, but also because Egypt would not naturally be affected by the lack of rain because she depended almost entirely upon the Nile for her water supply.*
In this passage, Zechariah prophetically describes a time where everything will be holy before the Lord. This does fit with the image of life after Armageddon, during the millineal reign. The Lord has fought against the nations and won, and we have set up His kingdom on the earth for a thousand years. This period is frought with tension, but yet peace. In the midst of conflict and opposition, God is established as King. The worship of Yahweh is commanded, and those who do not obey live in plague. Those who worship Him are blessed, and the doors are open to all who will. That which was once profane is now holy, because it has been submitted unto the Lord. What a beautiful picture of grace: the profane has been redeemed. The common pots and horses bridles are now “Holy unto the Lord!” Let Him cleanse you and make you holy, for He is holy.
*Ralph L. Smith, Micah–Malachi, vol. 32, Word Biblical Commentary (Dallas: Word, Incorporated, 1998), 292.
Artwork from https://whowillyouserve.blogspot.com/2012/06/holiness-to-lord.html