The fourth angel blew his trumpet, and a third of the sun was struck, and a third of the moon, and a third of the stars, so that a third of their light might be darkened, and a third of the day might be kept from shining, and likewise a third of the night.
Observe, I. The first angel sounded the first trumpet, and the events which followed were very dismal: There followed hail and fire mingled with blood, etc., Rev 8:7. There was a terrible storm; but whether it is to be understood of a storm of heresies, a mixture of monstrous errors falling on the church (for in that age Arianism prevailed), or a storm or tempest...
Commenting on Revelation 8:7-13
And the fourth angel sounded,.... His trumpet. Some think this refers to the Eutychian heresy, which confounded the two natures of Christ, and of two made one mixed nature, neither human nor divine; and brought great darkness upon the doctrine of Christ's person, the sun of righteousness and into the church, signified by the moon, and among the ministers of the word, the stars.
Verse 12. And the fourth angel sounded. , . And the third part of the sea was smitten. On the phrase the third part, . The darkening of the heavenly luminaries is every, where an emblem of any great calamity-- as if the light of the sun, moon, and stars should be put out. , .