Jesus speaks of terrifying events, but he gives his followers a very specific signal to watch for. It’s not just the rumors of war that matter, but a particular military action.
Jesus' disciples were asking about the signs of the end times and the destruction of the Temple. While he mentions wars, famines, and earthquakes as precursors (Luke 21:9-11), he clarifies that these are just the beginning of troubles. The truly defining sign, the one that signals the imminent 'desolation' of Jerusalem, is when the city is surrounded by armies. This military encirclement is the critical indicator they must heed. It's a direct, observable event that calls for immediate action, not prolonged speculation.