Treasury of Scripture Knowledge
And the LORD said unto Moses, Stretch out thine hand toward heaven, that there may be darkness over the land of Egypt, even darkness which may be felt.
a day of darkness and of gloominess, a day of clouds and of shadow that spreads itself upon the mountains as the dawn: a people great and strong; there has not ever been the like, neither shall there be any more after him, even to the years of many generations.
And when it was about the sixth hour, there was a darkness over all the earth until the ninth hour.
2 Peter 2:4
For if God did not forgive the angels that sinned, but cast them down into the deepest abyss and delivered them into chains of darkness, to be reserved unto judgment;