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  1. The official abbreviation for Coordinated Universal Time is UTC. This abbreviation comes as a result of the International Telecommunication Union and the International Astronomical Union wanting to use the same abbreviation in all languages. [4]

    • Universal Time

      Universal Time (UT or UT1) is a time standard based on...

    • Ephemeris Time

      The term ephemeris time (often abbreviated ET) can in...

  2. A Standard, Not a Time Zone. UTC is the time standard commonly used across the world. The world's timing centers have agreed to keep their time scales closely synchronized - or coordinated - therefore the name Coordinated Universal Time. Atomic and Solar Time. Two components are used to determine UTC:

  3. en.wikipedia.org › wiki › Time_zoneTime zone - Wikipedia

    Each time zone is defined by a standard offset from Coordinated Universal Time (UTC). The offsets range from UTC−12:00 to UTC+14:00 , and are usually a whole number of hours, but a few zones are offset by an additional 30 or 45 minutes, such as in India and Nepal .

  4. 1 day ago · UTC / GMT is the basis for local times worldwide. Other names: Universal Time Coordinated / Universal Coordinated Time. Successor to: Greenwich Mean Time (GMT) Military name: “Zulu” Military Time. Longitude: 0° (Prime Meridian)

    • 0° (Prime Meridian)
    • Greenwich Mean Time (GMT)
    • “Zulu” Military Time
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  6. Mar 28, 2024 · Coordinated Universal Time (UTC), international basis of civil and scientific time, which was introduced on January 1, 1960. The unit of UTC is the atomic second, and UTC is widely broadcast by radio signals. These signals ultimately furnish the basis for the setting of all public and private clocks.

  7. Nov 18, 2020 · Coordinated Universal Time, abbreviated as UTC, is the official, internationally agreed upon standard for world time. The National Institute of Standards and Technology (NIST) maintains its own representation of UTC, called UTC (NIST), which provides official time for the United States.

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