Revelation 9:15

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

Revelation 8:7

the first angel sounded, and there followed hail and fire mingled with blood, which fell upon the earth: and a third part of the earth, and a third part of the trees was burnt up, and all the green grass.

Revelation 9:18

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

Revelation 8:9

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

Revelation 8:11-12

the name of the star was wormwood: and the third part of the waters became wormwood; and many men died of the waters, because they were made bitter.

Revelation 9:5

and to them was power given, not to kill them, but to torment them five months: and their pain was like the pain which a scorpion produces when it strikes a man.

Revelation 9:10

they had stings in their tails like scorpions; and they had leave to molest men for five months with their stings.

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 to them was power given, not to kill them, but to torment them five months: and their pain was like the pain which a scorpion produces when it strikes a man.

For to

Revelation 9:18
by these three the third part of men were killed, by the fire, by the smoke, and by the brimstone, which issued out of their mouths.
Revelation 8:7
the first angel sounded, and there followed hail and fire mingled with blood, which fell upon the earth: and a third part of the earth, and a third part of the trees was burnt up, and all the green grass.