'In the Spirit' in the Bible

I was in the Spirit on the Lord's day, and heard a great voice behind me, as of a trumpet,

And immediately I was in the Spirit: and behold, a throne was set in heaven, and one sitting upon it;

And he brought me, in the spirit into the wilderness: and I saw a woman sitting upon a scarlet beast, full of slanderous names, having seven heads and ten horns.

And he brought me, in the Spirit, to a great and high mountain; and he showed me the city, the holy Jerusalem, coming down out of heaven from God,