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.

REVELATION 9:15KJV
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What does Revelation 9:15 mean?

Revelation 9:15 describes four angels who are released at a specific, predetermined time to kill a third of humanity. The verse emphasizes that these angels were held back until a precise moment—down to the hour, day, month, and year—when they were to carry out this devastating act.

In the context of the book of Revelation, John is describing a vision where he sees events unfolding as part of a series of judgments. The four angels are not acting on their own but are set free according to God's timing and purpose. This verse highlights the seriousness and scale of the judgment, as well as the careful control over when and how it happens.

The Greek behind Revelation 9:15

  • ἑτοίμασμαι (hetoimasmai, “prepared”): The Greek word here means “made ready” or “set aside for a purpose.” This stresses that the angels’ actions are not random but part of a planned event.
  • εἰς τὴν ὥραν καὶ ἡμέραν καὶ μῆνα καὶ ἐνιαυτόν (eis tēn hōran kai hēmeran kai mēna kai eniauton, “for an hour, and a day, and a month, and a year”): The Greek construction piles up time units to show precision. This suggests the timing is exact, not just generally in the future.
  • ἀποκτεῖναι (apokteinai, “to slay”): The Greek word means “to kill” or “put to death,” making clear the severity of what the angels are released to do.

Why Revelation 9:15 matters

  • The verse clears up any idea that these events happen by chance; it shows that even catastrophic judgments are under precise control and timing.
  • The detail about a third of humanity being killed connects this judgment to earlier and later passages in Revelation, where fractions of the earth or its people are affected, highlighting the escalating seriousness.
  • The mention of four angels links this event to the broader theme of angelic beings carrying out God’s will throughout Revelation, showing a pattern of divine authority and order.

Where else these words appear

“year” Greek G1763 · used in 14 verses

  • Luke 4:19 To preach the acceptable year of the Lord.
  • Acts 11:26 And when he had found him, he brought him unto Antioch. And it came to pass, that a whole year they assembled themselves with the church, and taught much people. And the disciples were called Christians first in Antioch.
  • Hebrews 9:25 Nor yet that he should offer himself often, as the high priest entereth into the holy place every year with blood of others;

“month” Greek G3376 · used in 18 verses

  • Luke 1:24 And after those days his wife Elisabeth conceived, and hid herself five months, saying,
  • Acts 7:20 In which time Moses was born, and was exceeding fair, and nourished up in his father's house three months:
  • James 5:17 Elias was a man subject to like passions as we are, and he prayed earnestly that it might not rain: and it rained not on the earth by the space of three years and six months.

“four” Greek G5064 · used in 35 verses

  • Matthew 24:31 And he shall send his angels with a great sound of a trumpet, and they shall gather together his elect from the four winds, from one end of heaven to the other.
  • Acts 27:29 Then fearing lest we should have fallen upon rocks, they cast four anchors out of the stern, and wished for the day.
  • Revelation 7:2 And I saw another angel ascending from the east, having the seal of the living God: and he cried with a loud voice to the four angels, to whom it was given to hurt the earth and the sea,

“loosed” Greek G3089 · used in 40 verses

  • Matthew 5:19 Whosoever therefore shall break one of these least commandments, and shall teach men so, he shall be called the least in the kingdom of heaven: but whosoever shall do and teach them, the same shall be called great in the kingdom of heaven.
  • Luke 19:31 And if any man ask you, Why do ye loose him? thus shall ye say unto him, Because the Lord hath need of him.
  • Acts 24:26 He hoped also that money should have been given him of Paul, that he might loose him: wherefore he sent for him the oftener, and communed with him.