3/28/2024 0 Comments Definition duskDuring civil twilight, the geometric center of the Sun's disk is at most 6 degrees below the horizon. The 3 twilight phases on a world map Civil TwilightĮach twilight phase is defined by the solar elevation angle, which is the position of the Sun in relation to the horizon. Astronomers differentiate between 3 phases: Twilight is the time between day and night when the Sun is below the horizon but its rays still light up the sky. The moments when 99% of people see sunlight During this twilight phase, the Sun is just below the horizon.
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