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.

For what purpose were the Scriptures written?
What experience in the life of a noted prophet indicated the length of Christ's stay in the grave?
How came Jesus to live for a time in Egypt?
What question was asked in the hearing of the prophet?
At the conclusion of Daniel's prayer, what assurance did Gabriel give him?
What was the song of Moses?
What further imperial legislation in behalf of Sunday observance was issued in 386?

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