8 I am Alpha and Omega, the beginning and the ending, saith the Lord, which is, and which was, and which is to come, the Almighty.
9 I John, who also am your brother, and companion in tribulation, and in the kingdom and patience of Jesus Christ, was in the isle that is called Patmos, for the word of God, and for the testimony of Jesus Christ.
10 I was in the Spirit on the Lord’s day, and heard behind me a great voice, as of a trumpet,
This is the vision John is revealing for us, he was taken into the future. These events are what is happening in both Heaven and on earth.