Parallel
Revelation 1:10
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
Ἐγενόμην ἐν πνεύματι ἐν τῇ κυριακῇ ἡμέρᾳ· καὶ ἤκουσα φωνὴν ὀπίσω μου μεγάλην ὡς σάλπιγγος,
On the Lord’s day I was in the Spirit, and I heard behind me a loud voice like a trumpet,