Matthew 27:45
Now from the sixth hour until the ninth hour there was darkness over all the land.
Mark 15:33-34
And when the sixth hour had come, there was darkness over the whole land until the ninth hour.
Luke 23:44-45
for the sun was darkened; and the curtain of the temple was torn in two.
Mark 15:25
And it was the third hour, when they crucified him.
Revelation 8:12
The fourth angel sounded his trumpet, and a third of the sun was struck, a third of the moon, and a third of the stars, so that a third of them darkened. And a third of the day was without light, and also a third of the night.
Revelation 9:2
He opened the bottomless pit, and smoke went up from the pit, like the smoke of a great furnace; and the sun and the air were darkened by the smoke from the pit.