There are many signs Jesus taught us that would reveal the general timing of His return. But there is only one ultimate sign: The Day of The Lord. The prophets in the Old Testament wrote more about this sign than anything else dealing with the Messiah and His coming Kingdom. Why is it such a big deal? How can we know when to look for the signs of The Day of The Lord? Marquis examines these questions in part #11 of our series on The Future According to Jesus.