These [thoughts] extend from the night into the day, [so that] the light is short because of darkness.
They change the night into day: The light is short because of darkness.
They change the night into day: The light, say they, is near unto the darkness.
They turn night into day; light is near because of the darkness.
They have turned night into day, and I hope for light again after the darkness.
They have turned night into day: and after darkness I hope for light again.