On what day was John in the Spirit?

Answer

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

What inspired Prayer sets the standard of Christian experience?
What solemn charge was given him concerning his public work?
What will be the burden of the closing gospel message?
Of what does God say the keeping or hallowing of the Sabbath is a sign?
8. In what language did Christ briefly describe the experiences of His people previous to these calamities?
What scene in heaven was presented to the prophet as the seventh trumpet was about to sound?
What does the Psalmist say about the dead praising God?

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