Revelation 6:12-13

And I saw, when he opened the sixth seal, and there was an earthquake; and the sun became black as sackcloth of hair; and the moon became as blood;

Revelation 8:12

And the fourth angel sounded; and the third part of the sun was smitten, and the third part of the moon, and the third part of the stars, so that the third part of them was darkened, and the day was obscured for a third part, and the night also.

Treasury of Scripture Knowledge

Summary

And when I shall put thee out, I will cover the heaven, and make the stars thereof dark; I will cover the sun with a cloud, and the moon shall not give her light.

I will cover the heaven

Bible References

I will cover the heaven

Revelation 6:12
And I saw, when he opened the sixth seal, and there was an earthquake; and the sun became black as sackcloth of hair; and the moon became as blood;