On what day was John in the Spirit?

Answer

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

In what other way do some dishonor their father and mother?
What were sinners desiring pardon instructed to do?
What has He commanded men to observe in memory of this great work?
How are the character, work, period of supremacy, and great power of the beast described?
Why were the ancient Sunday laws demanded?
How, according to Luke, did Christ answer this question?
How ancient is this doctrine of Christ's coming?

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