But she is ready and prepared. Likewise, though the exact time is not known for the day of the Lord, this did not mean they could not and should not be ready. Only those who live in the dark, who live evil lives with no thought of God or neighbor will not be ready. They think they are safe, they have a false sense of security. They have no idea that judgment is at hand.
Christians live in the light.
We may not know when judgment is coming, but we do know that it is coming. So we do not fear this day, for we know that God is a God of grace in Christ. Christians live now and in the future with faith, hope, and love. One might say this is the equipment worn for watching for the coming of Christ, a kind of guard duty, the kind of things the Christian does awaiting the coming of Christ. God in Christ has provided for all we need - freedom for a sinful past, our present needs met, our future assured.