On what day was John in the Spirit?

Answer

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

What use of this prophecy by the Apostle Peter shows that it referred to Christ?
When will the gifts of the Spirit he no longer needed?
18. Before giving the law at Sinai, what did God say because some of the people went out to gather manna on the seventh day?
What is necessary where there is a covenant?
Of what is the Sabbath commandment a part?
How long is Satan to be imprisoned on this earth?
How does God anticipate the needs of His children?

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