Revelation 9:15

And the four angels were loosed, who were prepared for the hour, and day, and month, and year, to kill the third part of men.

Revelation 8:7

And the first sounded, and there was hail, and fire mingled with blood, and they were cast upon the earth: and the third part of the earth was burnt up, and the third part of the trees was burnt up, and all the green grass was burnt up.

Revelation 9:18

By these three plagues were the third part of men killed, by the fire, and the smoke, and the brimstone which went out of their mouths.

Revelation 8:9

And the third part of the creatures that were in the sea which had life died, and the third part of the ships was destroyed.

Revelation 8:11-12

And the name of the star is called Wormwood, and many men died of the waters, because they were bitter.

Revelation 9:5

And it was given them, not to kill them, but that they should be tormented five months; and the torment of them is as the torment of a scorpion, when he stingeth a man.

Revelation 9:10

And they have tails like scorpions, and stings were in their tails; and their power is, to hurt men five months.

Treasury of Scripture Knowledge

Summary

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.

An hour

Bible References

An hour

Revelation 9:5
And it was given them, not to kill them, but that they should be tormented five months; and the torment of them is as the torment of a scorpion, when he stingeth a man.

For to

Revelation 9:18
By these three plagues were the third part of men killed, by the fire, and the smoke, and the brimstone which went out of their mouths.
Revelation 8:7
And the first sounded, and there was hail, and fire mingled with blood, and they were cast upon the earth: and the third part of the earth was burnt up, and the third part of the trees was burnt up, and all the green grass was burnt up.