Revelation 8:12-13 - The Fourth Trumpet
12 And the fourth angel sounded; and the third part of the sun was smitten, and the third part of the moon, and the third part of the stars, so that the third part of them was darkened, and the day was obscured for a third part, and the night also.
13 And I beheld, and heard one of the angels flying in the midst of heaven, saying with a loud voice, Woe, woe, woe, to those who dwell upon the earth, for the remaining sounds of the trumpets of the three angels, which are yet to sound!