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12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

Civil Twilight Captures d'écran

iPad

iPhone

About Civil Twilight

A guide to sun and moon data for pilots and aviation enthusiasts. Easily determine where and when rises and sets will occur during flights and estimate the flight duration between the end of evening civil twilight and the beginning of morning civil twilight. Quickly compute daily solar and lunar almanac data, including moon phases and eclipses, for over 72,000 airports. Also calculate instantaneous sun and moon data to help with assessing airfield lighting conditions.