Revelation 6:12: the Blood Moon & the Atmosphere


Many interested in Bible prophecy have paid close attention to lunar eclipses in recent years. A big reason for this focus is that the Bible warns that the moon’s appearance will become as blood prior to the coming of Christ. Revelation 6:12 states:

“And I beheld when he had opened the sixth seal, and, lo, there was a great earthquake; and the sun became black as sackcloth of hair, and the moon became as blood;” (Revelation 6:12)

A lunar eclipse is one way for the moon’s appearance to resemble blood. However, it is not the only way. In this article, I will describe another way that the moon can appear as blood.

Will a Lunar Eclipse Cause the Blood Moon in Revelation?

Before I begin with the main part of this article, I want to explain why I am skeptical that the blood moon in Revelation 6:12 will be a result of a lunar eclipse.

  1. Lunar eclipses appear for a short amount of time. The longest lunar eclipse of the 21st century only appeared for 1 hour and 42 minutes. We don’t know how long the blood moon of Revelation will appear. But, if the blood moon of Revelation will last for a long time it will not be the result of a lunar eclipse.
  2. Lunar eclipses are not visible to the whole world. For instance, the blood moons from the much-hyped tetrad in 2014-2015 were not seen by large parts of the world.
  3. Scriptural evidence indicates that the blood moon in Revelation may be the result of a different event. We’ll see that soon.

Now to the main part of the article…

Before the Blood Moon & Day of the Lord

Revelation 6:12 mentions that a great earthquake will occur before the sun turns black as sackcloth and the moon becomes as blood:

“And I beheld when he had opened the sixth seal, and, lo, there was a great earthquake; and the sun became black as sackcloth of hair, and the moon became as blood;” (Revelation 6:12)

Revelation 6:17 adds that these signs will arise just before the start of the Day of the Lord:

“For the great day of his wrath is come; and who shall be able to stand?”

Keep these details in mind….

Pillars of Smoke

Joel 2:30-31 and Acts 2:19-20 tell us that a lot of smoke-“pillars of smoke”-will be present as the start of the Day of the Lord nears:

“(30) And I will shew wonders in the heavens and in the earth, blood, and fire, and pillars of smoke. (31) The sun shall be turned into darkness, and the moon into blood, before the great and the terrible day of the LORD come.” (Joel 2:30-31)

“(19) And I will shew wonders in heaven above, and signs in the earth beneath; blood, and fire, and vapour of smoke: (20) The sun shall be turned into darkness, and the moon into blood, before that great and notable day of the Lord come:” (Acts 2:19-20)

Given that a lot of smoke will be present in the atmosphere, we have to consider the possibility that the smoke could influence how the moon appears to those on Earth at that time.

Smoke & the Blood Moon

Universe Today, a popular astronomy website, has an article focused on answering why the moon sometimes turns red.

  • The article mentions that the moon can turn red during a lunar eclipse.
  • The article also mentions that the moon can turn red after a volcanic eruption. An eruption emits a lot of particulate matter (ash, smoke, etc) into the atmosphere. The particulate matter in the air scatters blue and green colors away and enables the color red to pass through easier.

The great earthquake (Revelation 6:12), fire, and the pillars of smoke (Joel 2:30 & Acts 2:19) indicates that there’ll be huge geological instability across the planet near the start of the Day of the Lord.

  • We can deduce from this that it is likely that many volcanoes will erupt and send lots of particulate matter into the atmosphere.

Blood Moon Examples

The following video demonstrates how smoke can transform the color of the moon.

Moon turns red as it is covered by a cloud of smoke?Melbourne Australia

The second video provides another look at what the moon can look like with a lot of smoke prevalent in the air.

Extended: Red moon appears over Calgary amid smoke warnings

These videos show how smoke can alter the moon’s appearance in a local area. Imagine how prevalent the “blood moon” phenomenon could be if smoke covers the whole planet…

  • The blood moon could be seen by everyone since it takes time for smoke to clear from the atmosphere.


It’s unlikely that the blood moon in Revelation will be the result of a lunar eclipse. It’s much likelier that the blood moon will come from the geological instability that will arise as the Day of the Lord nears.

I urge you to not get caught up in the hype of date setters who claim that a big event will happen because a lunar eclipse is coming up. I have run across many people who have made failed predictions in recent years because they used a lunar eclipse as the basis for their date setting.

Learn the Startling the Truth about the End Times

If you liked the insights found in this article, I encourage you to check out my book: Prophecy Proof Insights of the End Times. It’s truly a comprehensive book about the end times that contains biblical insights that you’re unlikely to find anywhere else.

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Thank you for the nice write up. Have you considered the strange fires especially in California, USA, July 2018?


I’ve thought about the possibility of Yellowstone erupting. But I wonder whether the consequences of a Yellowstone eruption be too severe for Earth…

Monique Cepero-Wisher
Monique Cepero-Wisher

They actually believe now that it will be a super volcanic eruption at Yellowstone. It is really more of a matter of when! I am a beliver in our Savior Jesus Christ. I believe in GOD his mighty power. I belive he knows what was going to happen before it did, and things on Earth like Yellowstone where set in place for a day that os near. People may say what they will about me but i believe that the scientist believe in the bible, but they always seem to leave him off the credits. GOD was the driving force… Read more »

Al Sosa
Al Sosa

Hello, this Al from PA…
I heard that on December 21, 2016 or 2017 – not sure of the year(?), most of the planet quaked. I saw the monitors online, and they all ‘seemed’ to register earthquakes all over the globe… Any thoughts??

John G.
John G.


Steven Curtiss
Steven Curtiss

Immanuel Velikovsky and his theory, as written in “Worlds in collision”, can’t be ignored when studying this topic. Albert Einstein was a close friend of his and was studying his work when he (A.E.) died. I would not say I agree 100% but it is important enough that it can’t be ignored.


You’re probably right. I can see it being an earthquake that is off the charts in terms of our current grading system.


Good write up, I am just wondering what a “great earthquake” might be. It would have to be larger than the one that Japan had recently, to cause that kind of particulate, or it would have to cause volcanoes to erupt along with it. Either way, when the bible says that there will be a GREAT EARTHQUAKE, it is probably going to be one that is not covered by our current grading system. Yikes!!