'Darkened' in the Bible

And the fourth angel sounded, and the third part of the sun was smitten, and the third part of the moon, and the third part of the stars; so as the third part of them was darkened, and the day shone not for a third part of it, and the night likewise.

And he opened the bottomless pit; and there arose a smoke out of the pit, as the smoke of a great furnace; and the sun and the air were darkened by reason of the smoke of the pit.

And the fifth messenger did pour out his vial upon the throne of the beast, and his kingdom did become darkened, and they were gnawing their tongues from the pain,