American Standard Version
But when ye see Jerusalem compassed with armies, then know that her desolation is at hand.

Berean Study Bible
But when you see Jerusalem surrounded by armies, you will know that her desolation is near.

Douay-Rheims Bible
And when you shall see Jerusalem compassed about with an army; then know that the desolation thereof is at hand.

English Revised Version
But when ye see Jerusalem compassed with armies, then know that her desolation is at hand.

King James Bible
And when ye shall see Jerusalem compassed with armies, then know that the desolation thereof is nigh.

World English Bible
"But when you see Jerusalem surrounded by armies, then know that its desolation is at hand.

Young's Literal Translation
'And when ye may see Jerusalem surrounded by encampments, then know that come nigh did her desolation;

Luke 21:20 Additional Translations ...