Mark 13:33 introduces the watchfulness command; this verse expands it with specific times of night.

Mark 13:33 commands to watch and pray — the direct context for this verse's specific watchfulness.

In Mark 14:34, Jesus directly echoes this 'watch' command in Gethsemane, showing a concrete moment of required vigilance before His betrayal.

Matthew 24:42 gives the same warning to watch for the Lord's coming — a parallel account of the Olivet Discourse.

Matthew 24:44 adds 'be ready' for the unexpected hour — complementing the watchfulness here.

In Luke 21:34, the same call to watch against worldly distractions reinforces that the day will catch the unprepared.

In Romans 13:11, Paul urges waking from sleep because salvation is nearer, applying the same urgency of spiritual alertness.

In 1 Thessalonians 5:2, the day of the Lord comes like a thief, reinforcing the unexpected timing here.

In 1 Thessalonians 5:6, Paul commands to stay awake and sober, directly echoing this watchful posture.