What's the noun for twilight? Here's the word you're looking for.
twilight
The soft light in the sky seen before the rising and (especially) after the setting of the sun, occasioned by the illumination of the earth’s atmosphere by the direct rays of the sun and their reflection on the earth.
The time when this light is visible; the period between daylight and darkness.
(astronomy) The time when the sun is less than 18° below the horizon.
Any faint light through which something is seen; an in-between or fading condition.
“They come out from the trunks of trees at twilight to forage.”
“Groping forward they heard wolves snarling along the edges of the footpath and could discern their gaunt forms moving in the twilight.”
“Therefore, the gods possess strength by day, demons in the night, the humans at the coming of the morning twilight, and the fathers in the evening twilight.”
