On what day was John in the Spirit?

Answer

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

3. From whose words did Christ say the disciples ought to have learned of His death and resurrection?
BY whom was the Ten Commandment law proclaimed?
Where was the law of God written under the old covenant?
When these things should begin to come to pass, what did Christ tell His people to do?
Why will many not be prepared for this event?
What will He say to those on His right hand?
Referring to Peter's coming sore trial, for what did Christ say He had prayed?

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