Revelation 6:12 And I beheld when he had opened the sixth seal, and, lo, there was a great earthquake; and the sun became blackas sackcloth of hair, and the moon became as blood;

Revelation 16:10 And the fifth angel poured out his vial upon the seat of the beast; and his kingdom was full of darkness; and they gnawed their tongues for pain,

Exodus 10:

22 And Moses stretched forth his hand toward heaven; and there was a thick darkness in all the land of Egypt three days:

23 They saw not one another, neither rose any from his place for three days: but all the children of Israel had light in their dwellings.