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World map with the intertropical zone highlighted in red
Tropical climate zones of the Earth where all twelve months have mean temperatures above 18 °C (64.4 °F).

The tropics is a region of the Earth surrounding the Equator. It is limited in latitude by the Tropic of Cancer in the northern hemisphere at 23°26′11.8″ (or 23.43662°) N and the Tropic of Capricorn in the southern hemisphere at 23°26′11.8″ (or 23.43662°) S; these latitudes correspond to the axial tilt of the Earth. The tropics are also referred to as the tropical zone and the torrid zone (see geographical zone). The tropics include all the areas on the Earth where the Sun reaches a subsolar point, a point directly overhead at least once during the solar year.

The tropics are distinguished from the other climatic and biomatic regions of Earth, the middle latitudes and the polar regions on either side of the equatorial zone.

Tropics sections
Intro   Seasons and climate    Tropical ecosystems   Image gallery   See also    References    External links   

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