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.

For what is all Scripture profitable?
What is the result of faith's being put to the test?
Who moved upon the prophets to give their messages?
What scripture shows that the Roman emperors ruled the world?
How is the law fulfilled?
By whom were the worlds made?
What positive declaration does the apostle then make?

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