Dusk to dawn lights can be found in various types including LED, HPS, incandescent, and more. They are designed to provide a convenient and energy-efficient lighting solution as they do not require manual switching on and off, and they help to save energy by only turning on when needed. Dusk to dawn lights are commonly used for outdoor lighting, such as street lights, security lights, and landscape lights.
This is achieved through the use of a photocell sensor, which detects the level of light in the environment and triggers the light to turn on or off accordingly. The phrase can be used both literally and figuratively, for example, someone can say "I was working on this project from dusk till dawn" meaning they were working on it all night long.ĭusk to dawn lights, also known as "photocell lights" or "dawn to dusk lights," are lights that automatically turn on when the sun sets and turn off when the sun rises. It can also be used to describe something that lasts the entire night, such as a concert or a festival. The phrase is often used to describe activities that happen during this time, such as parties, night shifts, or security surveillance. (1) is learned, (2) is poetic and thus rarely used, (3) is also somewhat rare.The phrase "dusk till dawn(or dusk to dawn, or d2d)" refers to the period of time between sunset and sunrise, that is, the period of darkness when the sun is below the horizon.
The thinking is that at the moment at the very end of twilight, just before total darkness or night, ambient light level lowers and makes visibility as difficult as if the air was unclean. noun «ῥύπος» rʰúpŏs -> filth, uncleanliness (with unconvinving etymology, possibly related to Proto-Slavic *strupъ, scab > Rus. (3) «Σούρουπο» (neut.) with, together (with obscure etymology) + Classical masc. «ἐγέρνω» egérnō to awaken, rouse, raise (PIE *h₁ger- to awake cf Skt. (2) «Γέρμα» (neut.) poetic & deverbal -> sun-tilting to tilt, lean, aphetic of ByzGr v. (1) «Λυκόφως» (neut.) twilight light, daylight (PIE *bʰeh₂- to shine cf Skt. «δειλινό» (neut.) -> sun-setting pertaing/belonging to afternoon/evening (with obscure etymology). (1) is used more than (2) which is learned.ĭusk: Lit. lūna twilight, «λυκαυγές» lŭka̯ugés (neut.) -> grey-twilight with wolf «λύκος» lúkŏs (masc.) but the two are unrelated. «λύχνος» lúkʰnŏs -> (portable) light, lamp (PIE *le̯uk-sn-eh₂- moon, stars cf Av.
रुच् (ruc), brightness, hue) of Classical masc. (2) «Λυκαυγές» (neut.) -> grey-twilight, early dawn pertaining to early dawn, of the grey-twilight light as a substantive twilight dawn (cf Skt. notching, cutting «-*μμ-» > «-μ-») to make pointed, sharpen, carve, engrave, strike, stamp (possibly Pre-Greek). ag, dawn, Proto-Slavic *jugъ, south > Rus./Bul. Dawn: Literally it's «αυγή» (fem.) light, glow, ray of light (possibly from PIE *h₂e̯ug- to shine cf Alb.
0 kommentar(er)
