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.

By what principle is genuine faith actuated?
What question was asked in the hearing of the prophet?
9. What prophetic period extends to the time of the cleansing of the sanctuary, or the investigative judgment?
Does God design that His great work of creating the heavens and the earth shall be remembered?
How long is Satan to be imprisoned on this earth?
What definite period is mentioned under this trumpet?
What is said of the strength and character of the angels?

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