'Dark' in the Bible

Early in the morning, while it was still dark, he rose up and went out, and departed into a deserted place, and prayed there.

If therefore your whole body is full of light, having no part dark, it will be wholly full of light, as when the lamp with its bright shining gives you light."

and they entered into the boat, and were going over the sea to Capernaum. It was now dark, and Jesus had not come to them.

Now on the first day of the week, Mary Magdalene went early, while it was still dark, to the tomb, and saw the stone taken away from the tomb.

We have the more sure word of prophecy; and you do well that you heed it, as to a lamp shining in a dark place, until the day dawns, and the morning star arises in your hearts: