Luke 21:20

“But when you see Jerusalem surrounded by armies, then know that its desolation has come near.
Luke 21:20 · ESVView all translations

Jesus had just said the temple would be pulled down. The disciples asked when this would happen, and what sign would come first. Luke records this answer: an army around the city. Anyone could see that sign, and see it in time to escape.

The Sign Luke Alone Records

Matthew, Mark and Luke all record this discourse. Only Luke names an army around the city. That detail ties the words to an event in history, not to the distant future.

Only Luke has this. So he speaks of armies surrounding the city, which was true then. He does not speak, as Matthew and Mark do, of the abomination of desolation, which can only be proved true in its closing agony. The siege our Lord describes, with all that came out of it, cannot be a future event. What follows it is the humiliating hold on the Jewish capital by one nation after another, until the allotted seasons of Gentile supremacy end.

William Kelly

This is the direct answer to what the disciples asked.

This is the clear reply to the only part of the disciples' question that Luke records. Jerusalem surrounded by armies was to be the sign that its desolation was near.

W. Trotter

Not the Abomination of Desolation

Many readers treat this verse and Matthew's warning about "the abomination of desolation" as the same event. Commentators place the two at different points in Daniel's prophecy of the seventy weeks.

When they saw Jerusalem surrounded by armies, they could know that its desolation was near. This is still a very different thing from the "abomination of desolation" that Matthew and Mark speak of. That one is tied to the middle of the last week of Daniel, while this one comes between the sixty-ninth and the seventieth week of the same chapter: "And the people of the prince who is to come shall destroy the city and the sanctuary" (Dan. 9:26). There is no excuse at all for confusing two things so different, when the gap between them is stated so clearly.

Numerical Bible Notes

Some critics have read Luke as merging the two events. Kelly answers that Luke is the very writer who keeps them apart.

Schmiedel claims that Luke himself, in his own mind, treated Titus's desolation of Jerusalem as the same thing as Daniel's "abomination." That only shows how little that critic understands the plan of Old Testament prophecy. As the Expositor points out, it is typical of Luke that he kept the two apart.

William Kelly

A Warning People Obeyed

A sign is only useful if people can see it and act on it. These people did.

Nothing can be simpler. The prediction is exact. The directions match exactly what the Christians living in the city did when Titus's army approached Jerusalem. There is no call to special haste, and in fact there was no occasion for special haste. Every reader knows what followed. The Christians, warned by this prophecy, left the city. The city was destroyed, and its people were either killed or carried off into slavery.

T. B. Baines

Where they went is on record.

The Christians, remembering the Lord's warning, left Jerusalem together before the siege closed in. They travelled to Pella, a village beyond the Jordan. There they stayed until Hadrian allowed them to return to the ruins of their ancient city.

Church History

What the Siege Began

The destruction was not an end in itself. It opened a long stretch of history that has not yet closed.

Then those who believed the words of Jesus did flee to the mountains, and so escaped the horrors of the siege. Then began the "days of vengeance" for the Jew. They will not stop until everything foretold has come true. Then started the long captivity, which has continued and will continue, with Jerusalem under the feet of the nations, until the times of the Gentiles end. Those times began when God raised up Nebuchadnezzar, who took the throne from the last king of David's line. They will end with the crushing of Gentile rule at the appearing of Christ.

F. B. Hole

Why the Judgment Fell

This judgment had a cause. The commentators trace it back to the blood the city had shed.

Upon the guilty city, stained with the blood of the prophets, and now to be stained with that of their glorious King also, days of vengeance were coming.

Numerical Bible Notes

Summary

- Sign — Luke alone reports armies around the city. Matthew and Mark report the abomination of desolation. The sign given here was one ordinary people could see with their own eyes.

- Sequence — Daniel 9:26 places the city's destruction between the sixty-ninth and seventieth weeks. The abomination belongs to the middle of the last week. That gap keeps the two events apart.

- Sparing — Those who believed the warning left for Pella and lived. The warning came early enough that they needed no panic, only obedience.

- Sentence — Those who stayed were killed or carried off into slavery. The "days of vengeance" fell on a city stained with the blood of the prophets and of its King.

- Stretch — What the siege began still runs on. Jerusalem is trodden down through the times of the Gentiles, which started with Nebuchadnezzar and end only when Christ appears.

Reviewed by Orion on August 23, 2026