Time zone, Definition, Map, & Facts

Time zone, a zone on the terrestrial globe that is approximately 15° longitude wide and extends from pole to pole and within which a uniform clock time is used. Time zones are the functional basis of standard time and were introduced in the late 19th century as railways connected places that had

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GIS (Geographic Information System)

Google Maps now has real-time arrival info for Metro

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Timezones Explained

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Time Zone Map, day zone

Time Zone Map, day zone

What Is a Time Zone?

Time Zone Map of the United States - Nations Online Project

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Time in the United States - Wikipedia