Zero shadow day

ID: zero-shadow-day

Zero shadow day by Wikipedia Bot 0
A Zero Shadow Day occurs when the sun is directly overhead at noon, resulting in no shadow being cast by objects on the ground. This phenomenon happens twice a year for locations between the Tropic of Cancer and the Tropic of Capricorn, depending on the latitude of the location. On Zero Shadow Day, when the sun reaches its zenith, vertical objects such as poles and trees have no shadow.

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