Revelation 9:15
And the four angels were loosed, which were prepared for an hour, and a day, and a month, and a year, for to slay the third part of men.
ā The Restored Word Bible
Context
13 And the sixth angel sounded, and I heard a voice from the four horns of the golden altar which is before Elohim,
14 Saying to the sixth angel which had the trumpet, Loose the four angels which are bound in the great river Euphrates.
15 And the four angels were loosed, which were prepared for an hour, and a day, and a month, and a year, for to slay the third part of men.
16 And the number of the army of the horsemen two hundred thousand thousand: and I heard the number of them.
17 And thus I saw the horses in the vision, and them that sat on them, having breastplates of fire, and of jacinth, and brimstone: and the heads of the horses as the heads of lions; and out of their mouths issued fire and smoke and brimstone.