Nightfall or night fall may refer to:
Nightfall or night fall may refer to:
==Time of day== Sunset or sundown, the daily disappearance of the Sun below the western half of the horizon Twilight, the period during which the Sun is at most 18° below the horizon and when the sky is illuminated by indirect sunlight scattered in the upper atmosphere Dusk, the last stage of twilight in the evening before night
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).