Matthew 27:45

Now from the sixth hour to the ninth there was darkness over all the land.

Mark 15:33

Now at the sixth hour there was darkness over the whole land, until the ninth hour.

Luke 23:44

Now it was about the sixth hour, and there was darkness over the whole land till the ninth hour.

Ephesians 1:9

having made known to us the secret of his will, according to his good pleasure, which He had before purposed in Himself:

Ephesians 1:11

even in Him, in whom also we have obtained an inheritance, being predestinated to it according to the purpose of Him who effecteth all things after the counsel of His own will:

Hebrews 7:21

(for they indeed are become priests without the solemnity of 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 behold there was a great earthquake, and the sun became black as sack-cloth of hair, and the moon was red 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 sixth hour to the ninth there was darkness over all the land.
Mark 15:33
Now at the sixth hour there was darkness over the whole land, until the ninth hour.
Luke 23:44
Now it was about the sixth hour, and there was darkness over the whole land till the ninth hour.
Revelation 6:12
And I saw when He opened the sixth seal, and behold there was a great earthquake, and the sun became black as sack-cloth of hair, and the moon was red as blood;

Because

Ephesians 1:9
having made known to us the secret of his will, according to his good pleasure, which He had before purposed in Himself:
Hebrews 7:21
(for they indeed are become priests without the solemnity of 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 affliction, the sun shall be darkened, and the moon shall not give it's light; and the stars of heaven shall fall,