USA Time Zone map The original map allows clicking on each zone for specific information.

Alaska has two time zones and evidently used to have 4. But the state is so big that whenever the clock indicates noon, the actual highest point in the sky can be off by a couple of hours.

Samoa Time –
Federated States of Micronesia (Caroline) –
Hawaii-Aleutian Time
Alaska Time Zone
Pacific Time Zone –
Mountain Time Zone (Arizona, Non-Navajo) No Daylight Saving Time –
Central Time Zone –
Eastern Time Zone –
Atlantic Time Zone – Puerto Rico & Virgin Islands, No Daylight Saving Time –

Set Your Computer Clock Via the Internet, NIST Internet Time Service (ITS)

Frequently asked questions (FAQ)

Why is UTC used as the acronym for Coordinated Universal Time instead of CUT?

In 1970 the Coordinated Universal Time system was devised by an international advisory group of technical experts within the International Telecommunication Union (ITU). The ITU felt it was best to designate a single abbreviation for use in all languages in order to minimize confusion. Since unanimous agreement could not be achieved on using either the English word order, CUT, or the French word order, TUC, the acronym UTC was chosen as a compromise.

And for the real time, by the sun,

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