On what day was John in the Spirit?

Answer

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

How was Moses taught during the days of his early childhood?
Whose Spirit inspired their utterances?
What became of the various parts of the image?
In symbolic prophecy what length of time is represented by a day?
Is there a specified time for the cleansing of the heavenly sanctuary?
How did the devil seek to induce Jesus to worship him?
What power mentioned in the thirteenth chapter of Revelation is to enforce this mark?

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