An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 1 Search : civil twilight
civil twilight
  نیمتاب ِ شارین   
nimtâb-e šârin

Fr.: crépuscule civil   

The time between sunset or sunrise and the moment when the Sun's center lies 6° below the horizon. → astronomical twilight.

civil; → twilight.