Revelation 1:10

10I wasἐγενόμηνinἐν[the] SpiritπνεύματιonἐνtheτῇLord’sκυριακῇdayἡμέρᾳ,andκαὶI heardἤκουσαbehindὀπίσωmeμουa voiceφωνὴνloudμεγάληνlike thatὡςof a trumpetσάλπιγγος

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