This is according to the following link, https://www.jw.org/en/bible-teachings/questions/alpha-omega/ which also says, "This term occurs three times in the Bible. -Revelation 1:8; Revelation 21:6; and here at Revelation 22:13."

THE CLAIMS OF CHRIST (Revelation 22:12-13)

22:12,13 Behold, I am coming soon, and I have my reward with me, to render to each man, as his work is. I am Alpha and Omega, the first and the last, the beginning and the end. You can read his complete analysis at the following site.

https://www.studylight.org/commentaries/dsb/revelation-22.html

The Risen Christ once again announces his speedy coming; and he makes two great claims.

This is according to the article, Who or What Is “the Alpha and the Omega”? which also says, "This term occurs three times in the Bible. Revelation 1:8; Revelation 21:6; and here at Revelation 22:13."

THE CLAIMS OF CHRIST (Revelation 22:12-13)

22:12,13 Behold, I am coming soon, and I have my reward with me, to render to each man, as his work is. I am Alpha and Omega, the first and the last, the beginning and the end. You can read his complete analysis at the following site.

Bible Commentaries: William Barclay's Daily Study Bible Revelation 22

The Risen Christ once again announces his speedy coming; and he makes two great claims.