occultation – One of its meanings is “the disappearance from view of a star or planet in the sun’s rays after sunset or before sunrise, when the star or planet is above the horizon.” More…
acronical – Means happening at sunset or twilight. More…
antitwilight – The sky’s pink or purple glow after sunset. More…
evening – Its Old English base meant “grow towards night,” as evening extends from sunset to dark. More…