'Darkness' in the Bible

to give light to those who sit in darkness and in the shadow of death, to guide our feet into the way of peace."

Your eye is the lamp of your body. When your eye is healthy, your whole body is full of light, but when it is diseased, your body is full of darkness.

Therefore see to it that the light in you is not darkness.

Day after day when I was with you in the temple courts, you did not arrest me. But this is your hour, and that of the power of darkness!"

It was now about noon, and darkness came over the whole land until three in the afternoon,