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  1. Coordinated Universal Time ( UTC) is the primary time standard globally used to regulate clocks and time. It establishes a reference for the current time, forming the basis for civil time and time zones. UTC facilitates international communication, navigation, scientific research, and commerce.

  2. 1 day ago · UTC is the basis for local times worldwide and the successor to Greenwich Mean Time. It is a fixed time zone that never observes Daylight Saving Time and has no offset from GMT.

    • 0° (Prime Meridian)
    • Greenwich Mean Time (GMT)
    • “Zulu” Military Time
  3. UTC is the 24-hour time scale that synchronizes the world's clocks using atomic and solar time. Learn about its history, definition, offsets, and how it differs from GMT and other time zones.

  4. 2 days ago · UTC is the 24-hour time standard used as a basis for civil time today. It is based on mean solar time at the prime meridian and atomic clocks, and does not change for Daylight Saving Time.

    • UTC
    • 4 hours ahead of Roanoke Rapids
    • No UTC/GMT offset
  5. Coordinated Universal Time. UTC +0. now 4 hours ahead of New York. UTC is 5 hours ahead of the time in New York when New York is on standard time, and 4 hours ahead of the time in New York when New York is on daylight saving time. UTC does not change between summer time and winter time. The IANA time zone identifier for UTC is UTC. Time difference.

    • + 4 hours
    • + 1 hours
    • + 1 hours
    • + 5. 5 hours
  6. Jul 31, 2023 · Learn how UTC is computed, aligned with Earth's rotation and used by global navigation satellite systems. Find out about the challenges and alternatives of leap seconds and the future of UTC.

  7. 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.