Matthew 27:45

Now from the fifth hour darkness fell upon all the land, unto the ninth hour.

Mark 15:33

Now when the sixth hour came, there was darkness over all the land until the ninth hour.

Luke 23:44

And it was about the sixth hour, and there was darkness over all the 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 also we have obtained our inheritance, predestinated according to the purpose of him who effectually worketh all things according to the counsel of his own will:

Hebrews 7:21

(for they indeed were made priests without an oath; but he with an oath, by him who said unto him, "The Lord hath sworn, and will not repent, Thou art a priest for ever after the order of Melchisedec:")

Revelation 6:12

And I saw when he 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;

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
Now from the fifth hour darkness fell upon all the land, unto the ninth hour.
Mark 15:33
Now when the sixth hour came, there was darkness over all the land until the ninth hour.
Luke 23:44
And it was about the sixth hour, and there was darkness over all the land until the ninth hour.
Revelation 6:12
And I saw when he 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;

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 were made priests without an oath; but he with an oath, by him who said unto him, "The Lord hath sworn, and will not repent, Thou art a priest for ever after the order of Melchisedec:")

General references

Mark 13:24
but in those days, after that distressing season, the sun shall be darkened, and the moon shall not emit her light;