Cross reference
Isaiah 50:3
3 I clothe the heavens with blackness, and I make sackcloth their covering.
Revelation 6:12
12 And I saw when he opened the sixth seal, and there was a great earthquake; and the sun became black as sackcloth of hair, and the whole moon became as blood;
Exodus 10:21
21 And Jehovah said unto Moses, Stretch out thy hand toward heaven, that there may be darkness over the land of Egypt, even darkness which may be felt.
Psalms 18:11-12
11 He made darkness his hiding-place, his pavilion round about him, Darkness of waters, thick clouds of the skies.
12 At the brightness before him his thick clouds passed, Hailstones and coals of fire.
Matthew 27:45
45 Now from the sixth hour there was darkness over all the land until the ninth hour.