For the stars of heaven and its constellations shall not give their light: the sun shall be darkened in its going forth, and the moon shall not cause its light to shine.
For this shall the earth mourn, and the heavens above be black: because I have spoken it, I have purposed it, and will not relent, neither will I turn back from it.
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;