UTC – Coordinated Universal Time
Coordinated Universal Time (UTC) is the basis for civil time today. This 24-hour time standard is kept using highly precise atomic clocks combined with the Earth's rotation. more
Coordinated Universal Time (UTC) is the basis for civil time today. This 24-hour time standard is kept using highly precise atomic clocks combined with the Earth's rotation. more
A Time Zone refers to any of 24 regions loosely divided by longitude, where the same standard time is kept. more
The International Date Line (IDL) is an imaginary line of longitude on the Earth’s surface located at about 180 degrees east (or west) of the Greenwich Meridian. more
The UK is not on Greenwich Mean Time (GMT) all year. During Daylight Saving Time the correct time zone is British Summer Time (BST). more
Greenwich Mean Time (GMT) is often interchanged or confused with Coordinated Universal Time (UTC). But GMT is a time zone and UTC is a time standard. more
Prior to the invention of clocks, people around the world kept time using some type of instrument to observe the Sun’s zenith at noon. The earliest time measuring devices used either the Sun’s shadow or the rate in which water runs out of a vessel. more
Some countries follow half hour and other nonstandard time zones. more
The abbreviation for Coordinated Universal Time is UTC. Why is it not abbreviated as “CUT” or “TUC”? more
Technically, both the South Pole and the North Pole are at all time zones at the same time. more
Timeanddate.com gives a brief overview of the United Kingdom’s time zone and daylight saving time. more
Europe is divided into 4 main time zones that span from UTC +0 hours in western European countries to UTC +3 hours in Belarus and parts of Russia. more
timeanddate.com provides brief background information on Australia's time zones and daylight saving time. more
timeanddate.com provides an overview of New Zealand’s time zones and daylight saving time. more
You can help name the new official Time Zone on Mars by voting during the month of April. more
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