Matthew 27:45

Now from the sixth hour to the ninth, the whole land was cover'd with darkness.

Mark 15:33

Now from the sixth hour the whole land was cover'd with darkness until the ninth hour.

Luke 23:44

About the sixth hour, it was dark all over the land till the ninth hour.

Ephesians 1:9

for he has discover'd to us the secret of his will, that out of his meer good pleasure, he had purposed in himself,

Ephesians 1:11

It is by him, that we have a share in the inheritance, which was before allotted to us, in consequence of his design, who executes the whole plan, as he himself had contriv'd it:

Hebrews 7:21

by him that said to him, "the Lord has swore, and will not repent, thou art a priest for ever after the order of Melchisedec."

Revelation 6:12

And when I beheld the opening of the sixth seal, there was a great earthquake: the sun became black as sackcloth of hair, and the moon became as blood; the stars

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, the whole land was cover'd with darkness.
Mark 15:33
Now from the sixth hour the whole land was cover'd with darkness until the ninth hour.
Luke 23:44
About the sixth hour, it was dark all over the land till the ninth hour.
Revelation 6:12
And when I beheld the opening of the sixth seal, there was a great earthquake: the sun became black as sackcloth of hair, and the moon became as blood; the stars

Because

Ephesians 1:9
for he has discover'd to us the secret of his will, that out of his meer good pleasure, he had purposed in himself,
Hebrews 7:21
by him that said to him, "the Lord has swore, and will not repent, thou art a priest for ever after the order of Melchisedec."

General references

Mark 13:24
Now after the time of that distress, the sun shall be dark, and the moon shall give no light: