On what day was John in the Spirit?

Answer

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

Of what were the works of Abraham an evidence?
By what name was the cover of the ark known?
What is said of one who professes to know the Lord, but does not keep His commandments?
Who alone knows the exact day of Christ's coming?
Where do the dead sleep?
What is said of charity in the Scriptures?
What did Paul say regarding our duty to the poor?

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