Revelation 9:13-15

Complete Jewish Bible

¹³ The sixth angel sounded his shofar, and I heard a voice from the four horns of the gold altar before God, ¹⁴ saying to the sixth angel, the one with the shofar, “Release the four angels that are bound at the great river Euphrates!” ¹⁵ And they were released. These four angels had been kept ready for this moment, for this day and month and year, to kill a third of mankind;