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.

Upon what evidence did Jesus base His Messiahship?
Of whom did Moses and the prophets write?
How did Christ say those who rejected Him reasoned?
16. What inquiry on the part of Daniel shows that the fourth beast, and especially the little horn phase of it, constitutes the leading feature of this vision?
Of what else does God say He gave the Sabbath to His people to be a sign, or reminder?
Concerning what have we been definitely informed?
With what feelings does the Lord look upon His children?

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