On what day was John in the Spirit?

Answer

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

To how many is the Lord good?
How then do all become children of God?
8. How did Christ show from the Scriptures that the promised Saviour of the world must be both human and divine?
What rendered it possible for God to treat sinners thus?
How universal is the worship of this power to become?
What is Peter's testimony regarding it?
What does God's Word then become to the believer?

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