Matthew 27:45

And from the sixth hour there was darkness over all the land, until the ninth hour.

Mark 15:33

And when the sixth hour had come, there was darkness over the whole land until the ninth hour.

Luke 23:44

And it was now about the sixth hour, and there was darkness over the whole land until the ninth hour,

Ephesians 1:9

having made known to us the mystery of his will, according to his good pleasure which he purposed in himself

Ephesians 1:11

in whom we also obtained the inheritance, being predestinated according to the purpose of him who worketh all things after the counsel of his own will,

Hebrews 7:21

for they indeed have been made priests without an oath; but he with an oath by him who said to him, "The Lord swore, and will not repent, Thou art a priest for ever,"

Revelation 6:12

And I saw when he had 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,

Treasury of Scripture Knowledge

Summary

For this shall the earth mourn, and the heavens above be black: because I have spoken it, I have purposed it, and will not repent, neither will I turn back from it.

General references

Bible References

The heavens

Matthew 27:45
And from the sixth hour there was darkness over all the land, until the ninth hour.
Mark 15:33
And when the sixth hour had come, there was darkness over the whole land until the ninth hour.
Luke 23:44
And it was now about the sixth hour, and there was darkness over the whole land until the ninth hour,
Revelation 6:12
And I saw when he had 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,

Because

Ephesians 1:9
having made known to us the mystery of his will, according to his good pleasure which he purposed in himself
Hebrews 7:21
for they indeed have been made priests without an oath; but he with an oath by him who said to him, "The Lord swore, and will not repent, Thou art a priest for ever,"

General references

Mark 13:24
But in those days, after that distress, the sun will be darkened, and the moon will not give her light;