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.

How far-reaching is God's ability to reveal the future?
To whom does vengeance belong?
When was this time of reformation?
When, according to the Bible, does the Sabbath begin?
12. Because of Christ's healing a woman of an infirmity on the Sabbath, what did the ruler of a certain synagogue say?
What words to this church show the second advent near?
Whose names are in the foundations of the holy city?

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