to the “Day of the Lord’s Return” and includes both the Tribulation and the Millennium. See the Chart on the Prophetic Days of Scripture. The Christian Sabbath was never called the “LORD’S DAY” until after the Book of Revelation was written and got its name from that source. It is always called in the Gospels and Epistles the “First Day of the Week.” It is hardly likely that John could have been caught up as Paul was into the Third Heaven and seen and heard all that he describes in the Book of Revelation