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.

What was predicted of Christ's preaching?
Where was Christ next taken?
When some went out to gather manna on the seventh day, what did the Lord say to Moses?
What has He commanded men to observe in memory of this great work?
33. In view of the fact that we do not know the exact time of Christ's coming, what important admonition has He given us?
When we see all these things, what are we to know?
Amidst poverty, suffering, and distress, what kind of workers does God wish to see?

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