Revelation 6:12 - An Understandable Version (2005 edition)
12 Then I looked as the Lamb broke open the sixth seal, and there [I saw] a great earthquake; the sun turned as black as sackcloth made out of [goat] hair, and the entire moon turned [as red] as blood.
12 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;
12 When He [the Lamb] broke open the sixth seal, I looked, and there was a great earthquake; and the sun grew black as sackcloth of hair, [the full disc of] the moon became like blood. [Joel 2:10, 31.]
12 And I saw when he opened the sixth seal, and there was a great earthquake; and the sun became black as sackcloth of hair, and the whole moon became as blood;
12 I looked on as he opened the sixth seal, and there was a great earthquake. The sun became black as funeral clothing, and the entire moon turned red as blood.
12 And when he had opened the sixth seal, I saw, and behold, a great earthquake occurred. And the sun became black, like a haircloth sack, and the entire moon became like blood.
[He said] “It will be too bad for you, Chorazin! It will be too bad for you, Bethsaida! For if the powerful miracles had been performed in [the cities of] Tyre and Sidon which were performed in your presence, they would have repented long ago, [demonstrating it] by wearing sackcloth [i.e., a coarse cloth made of goat hair] and throwing ashes [into the air].
“But immediately after the terrible trouble of those days, [i.e., the next major event on God’s calendar], the sun will become dark, and [therefore] the moon will not [be able to] shed its [reflected] light. The stars will fall from the sky and the forces of the heavens will be shaken [Note: From the description of these same events in Luke 21:25-26, it is possible that this is figurative language for great calamities happening on the earth].
For nations will wage war against one another, and kingdoms will attack one another. And famines and earthquakes will occur at various places [in the world].
Now when the military man in charge, and those with him who were watching Jesus, saw [and felt] the earthquake and the [other] things that happened, they became extremely fearful, saying, “Truly this was the Son of God.”
Now there had been a violent earthquake, for an angel of the Lord had descended from heaven and, [having] come to roll away the stone, was [now] sitting on it.
At that very hour a severe earthquake occurred and one tenth of the city [See verse 8] was destroyed; and seven thousand persons were killed by the earthquake; and everyone else was terrified and gave honor to the God of heaven.
[At that moment] there were flashes of lightning, [loud] sounds of rolling thunder, and a severe earthquake, worse than any since mankind was on earth; it was a terrible earthquake.
[When] the fourth angel sounded its trumpet [I saw] one third of the sun, one third of the moon, and one third of the stars being struck, so that one third [of their light] would become darkened. So, the daytime had [only] one third of its [normal] light, and the nighttime was the same way.
Then the angel took the incense holder and filled it with hot coals from the Altar and threw it to the earth. [Immediately] there was [heard] rolling thunder, and lightning flashes [were seen] and an earthquake [was felt].