Revelation 8:12-13 - The Fourth Trumpet
12 The fourth angel sounded his trumpet, and a third of the sun was struck, a third of the moon, and a third of the stars, so that a third of them darkened. And a third of the day was without light, and also a third of the night.
13 Then I looked, and I heard an eagle flying in midheaven, saying with a loud voice, "Woe, woe, woe to those who dwell on the earth, because of the blasts of the other trumpets of the three angels who are about to sound!"