Quiz 5.3.2.R.A.05

Letter soup

Rearrange the letters to form a term. When you think your answer is correct, click on "Check" to check your answer. If you get stuck, click on "Hint" to find out the next correct letter.
[Clue] the time in the evening when the sun disappears and daylight fades // the colours, light visible and ambience in the sky just before the sun's disappearance in the evening