On what day does John say he was in the Spirit?

Answer

"I was in the Spirit on the Lord's day." Rev. 1: 10.

How did the people of Samaria publicly testify to their faith in the preaching of Philip?
For what purpose is the mystery of the gospel made manifest?
Who is the Comforter, and what was He to do?
What challenge is made by those who worship the beast?
Then in order to keep the Sabbath day holy, what must be recognized?
What striking figure is used to describe the destruction wrought under the second trumpet?
4. What, according to the prophecy of Daniel, was to befall the people of God down through the ages?

Questions & Answers are from the book Bible Readings for the Home Circle