King James Version
But in the days of the voice of the seventh angel, when he shall begin to sound, the mystery of God should be finished, as he hath declared to his servants the prophets.English Standard Version
but that in the days of the trumpet call to be sounded by the seventh angel, the mystery of God would be fulfilled, just as he announced to his servants the prophets.Catholic Public Domain Version
but in the days of the voice of the seventh Angel, when he shall begin to sound the trumpet, the mystery of God will be completed, just as he has proclaimed in the Gospel, through his servants the Prophets