These images show the daylight, twilight and darkness regions of the Earth and is updated every 10 minutes (unless our server is too busy). The red star marks the location where the sun is directly overhead, and the red curve marks where the sun is on the horizon (setting or rising).

Sunclock using a cylindrical projection

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Sunclock using a Robinson projection

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Sunclock using Orthographic projections from different directions (click each image for a larger version)