Mark 15:33

And when the sixth hour was come, darkness arose over all the earth, until the ninth hour.

Matthew 27:45

From the sixth hour, was there darkness over all the land unto the ninth hour.

Mark 15:25

And it was about the third hour, and they crucified him.

Luke 23:44-45

And it was about the sixth hour. And there came a darkness over all the land, until the ninth hour,

Psalm 105:28

He sent darkness, and it was dark; for they were not obedient unto his word.

Isaiah 50:3-4

As for heaven, I clothe it with darkness, and put as it were a sack upon it.

Amos 8:9-10

At the same time," sayeth the LORD God, "I shall cause the sun to go down at noon, and the land to be dark in the clear day.

Treasury of Scripture Knowledge

Summary

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

Bible References

When

Mark 15:25
And it was about the third hour, and they crucified him.
Matthew 27:45
From the sixth hour, was there darkness over all the land unto the ninth hour.
Luke 23:44
And it was about the sixth hour. And there came a darkness over all the land, until the ninth hour,