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12 Then I looked when the Lamb opened the sixth seal, and a huge earthquake took place; the sun became as black as sackcloth made of hair, and the full moon became blood red;
Darby
12 And I saw when it opened the sixth seal, and there was a great earthquake; and the sun became black as hair sackcloth, and the whole moon became as blood,
KJV
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;