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 were the Scriptures given?
What was to be the nature of the next kingdom after Babylon?
What is the result of willful sin?
Of what does God say the keeping or hallowing of the Sabbath is a sign?
How was the matter finally decided?
What did the Savior say should precede the end?
In what is the Christian to grow?

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