sundown, sunset

dusk, dawn, sunset, sundown, daybreak, moonrise, sunup, daylight, summer solstice, midnight, nightfall, autumnal equinox, alpenglow, moonset, sun, moonlight, maghrib, equinox, spring equinox, moonlit, nighttime, solstice, predawn, moonless, vernal equinox, morn, woodcocks, owling, meteor shower, noon, tenebrae, starlit, lunar eclipse, reveille, shawwal, perseids, stargaze, partial eclipse, noonday, twilight, annular eclipse, vesper, mornings, candlelight, eventide, dapples, mist, evensong, celestial equator, hilal, equinoxes, luna moth, maundy thursday, annularity, occultation, winter solstice, mugginess, sidereal, solar eclipse, sky, stillness, zodiacal light, darkness, blue sky, sunrays, procession, thunderhead, canis minor, noontime, sunbeams, evening, dewdrops, sulphurs, umbral, hour, waking, heronry, mistiness, cumulus cloud, hoarfrost, springtime, day, processional, midday, triduum, blessed sacrament, witching hour, moon, sleepyheads, overcast, aphelion, clouds, aurora, juniper bush, unimak island, timberline, shabbat, sugar loaf mountain, vernal, sabbath, thunderstorm, sundowner, rainbow, sunsets, dawning, morning, summer, scarlet, sunshine, autumn, bloom, blooms, blossom, night, bleak, bleakest, brighter, distant, cloudless, enchanting, faraway, off, remote, tertiary, twilit, unforgotten, up, wealden, afternoon, autumnal, azoic

., dark, day, daylight, daystar, daytime, glory, morning star, night, nighttime, none, phosphorus, radiant, ramadan, reveille, sawm, zodiacal light

atmospheric phenomenon, hour, periodic event, recurrent event, time of day

aurora, break of day, break of the day, cockcrow, dawn, dawning, daybreak, dayspring, first light, morning, new, sunup