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.

What followed immediately after the gaoler and his family had accepted Christ as their Saviour?
How did Christ estimate the righteousness of the scribes and Pharisees?
What, more than all else, proves the perpetuity and immutability of the law of God?
18. In what statement was Christ promised as a Savior and Deliverer of the race as soon as sin entered?
What is it that makes a thing holy?
What class of men did he say would arise in the church?
What is God's final warning against false worship?

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