dusk n : the time of day immediately following sunset; "he loved the twilight"; "they finished before the fall of night" [syn: twilight, gloaming, nightfall, evenfall, fall, crepuscule, crepuscle]

English

Pronunciation

Noun

1. A period of time occurring at the end of the day during which the sun sets.

Translations

Antonyms

• dawn

Related terms

• smokefall
• twilight

Dusk refers to the twilight after sunset.

Civil dusk is the time at which the sun is 6 degrees below the horizon in the evening. At this time objects are distinguishable and some stars and planets are visible to the naked eye.

Nautical dusk is when the sun is 12 degrees below the horizon in the evening. At this time, objects are no longer distinguishable, and the horizon is no longer visible to the naked eye.

Astronomical dusk is the time at which the sun is 18 degrees below the horizon in the evening. At this time the sun no longer illuminates the sky, and thus no longer interferes with astronomical observations.

Dusk should not be confused with sunset, which is the moment when the trailing edge of the Sun itself sinks below the horizon.

References

See also

• Dawn
• Twilight
• Evening

bad light, blackish, broad day, brown of dusk, brownness, caliginous, candlelight, candlelighting, cocklight, crepuscular, crepuscule, dark, dark-colored, darken, darkish, darkishness, darkle, darksome, darksomeness, dawn, day, day glow, daylight, dayshine, daytide, daytime, deadness, dim, dim light, dimmish, dimness, dimpsy, drabness, dullness, duskiness, duskingtide, duskness, dusky, evening, evensong, eventide, flatness, full sun, funereal, gloam, gloaming, gloom, glooming, gloomy, grave, green flash, grow dark, grow dim, half-light, lack of sparkle, lackluster, lifelessness, light of day, lower, lusterlessness, mat, mat finish, midday sun, murk, murkiness, murksome, murky, nightfall, nigrescent, noonlight, noontide light, obscure, owllight, partial darkness, ray of sunshine, sad, semidark, shine, sober, somber, somberness, sombrous, subfusc, sun spark, sunbeam, sunbreak, sunburst, sundown, sunlight, sunset, sunsetty, sunshine, swart, swarthy, tenebrous, twilight, twilighty, unilluminated, vesper, vespertine