From Wikipedia, the free encyclopedia

Civil twilight is the brightest phase of twilight, the illumination of the lower atmosphere when the Sun itself is not directly visible because it is below the horizon.

Civil twilight may also refer to:

From Wikipedia, the free encyclopedia

Civil twilight is the brightest phase of twilight, the illumination of the lower atmosphere when the Sun itself is not directly visible because it is below the horizon.

Civil twilight may also refer to:


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