civil twilight

listen to the pronunciation of civil twilight
Englisch - Türkisch
günlük tan
(Askeri) Bak. "twilight"
begin morning civil twilight
(Askeri) sabah alacakaranlık başlangıcı, sabah deniz tanı başlangıcı
end evening civil twilight
(Askeri) akşam alacakaranlık sonu
Englisch - Englisch
The period in which the sun is less than 6° below the horizon in the morning and evening
The time between the moment of sunset, when the sun's apparent upper edge is just at the horizon, until the center of the sun is 6° directly below the horizon
is defined to begin in the morning, and to end in the evening when the center of the Sun is geometrically 6 degrees below the horizon This is the limit at which twilight illumination is sufficient, under good weather conditions, for terrestrial objects to be clearly distinguished; at the beginning of morning civil twilight, or end of evening civil twilight, the horizon is clearly defined and the brightest stars are visible under good atmospheric conditions in the absence of moonlight or other illumination In the morning before the beginning of civil twilight and in the evening after the end of civil twilight, artificial illumination is normally required to carry on ordinary outdoor activities Complete darkness, however, ends sometime prior to the beginning of morning civil twilight and begins sometime after the end of evening civil twilight
occurs while the Sun is below, but less than 6° below, the horizon Most outdoor activities do not require artificial light during this period
The time between the moment of sunset, when the sun's apparent upper edge is just at the horizon, until the center of the sun is 6 degrees directly below the horizon See twilight
The time when the center of the Sun passes a reference altitude of 6 degrees below a mathematical horizon
civil twilight

    Silbentrennung

    ci·vil twi·light

    Türkische aussprache

    sîvıl twaylayt

    Aussprache

    /ˈsəvəl ˈtwīˌlīt/ /ˈsɪvəl ˈtwaɪˌlaɪt/
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