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 did some of the believers at Ephesus testify to the sincerity of the confession of their sins?
What deliverance was thus made possible?
In what prophecy did Christ recognize Daniel as a prophet?
Until what time did the ceremonial law impose the service performed in the worldly sanctuary?
What warning has Christ given that we might not be taken by surprise by this great event?
Who is to reign finally over God's kingdom?
Of what are the streets of the city composed?

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