2007
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Civil twilight is the brightest of the twilight phases. How is it defined and when does it start and end? What are civil dawn and civil dusk?
Midtown Manhattan during civil twilight, demonstrating blue hour. Civil twilight is the time when the geometric center of the Sun is between the horizon and 6° below the horizon. Civil twilight is the period when enough natural light remains that artificial light in towns and cities is not needed.
I Civil Twilight sono un gruppo musicale sudafricano di genere rock, attivo dal 2005.
This data services provides a method for obtaining a table of the times of sunrise/sunset, moonrise/moonset, or the beginning and end of twilight for any year between 1700 and 2100. Use the...
1 giorno fa · Civil twilight. This is when the Sun's centre is 6° below the horizon, roughly equivalent to Lighting-up time. Lighting-up time is the time in the afternoon or evening when the law states that vehicles must have their lights switched on. In the UK, it is between 30 and 60 minutes after sunset.
1 feb 2022 · Civil twilight is one of the technical divisions of twilight based on the angle of the sun in relation to the horizon and the resulting level of light in the sky. Civil twilight is the lightest (or least dark) of the three—when the sun is between 0 and 6 degrees below the horizon.
