"And there shall be signs in the sun, in the moon, and in the stars; and on the earth distress of nations, with perplexity, as the sea and the waves roar,
And another angel came out from the altar, having authority over the fire, and he called with a loud cry to the one having the sharp sickle, saying, "Thrust in your sharp sickle and gather the grape clusters of the vine of the earth, because the grapes are ripe."
And I saw when He opened the sixth seal, that there was a great earthquake; and the sun became black as sackcloth of hair, and the whole moon became like blood.
Then the fourth angel sounded his trumpet, and a third of the sun was struck, a third of the moon, and a third of the stars, so that a third of them was darkened. A third of the day did not shine, and likewise the night.
And he opened the shaft of the bottomless pit, and smoke arose out of the pit like the smoke of a burning furnace. And the sun was darkened, and the air, from the smoke of the shaft.