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  1. Greenwich Mean Time - Wikipedia

    Greenwich Mean Time (GMT) is the local mean time at the Royal Observatory in Greenwich, London, counted from midnight. At different times in the past, it has been calculated in …

  2. What is Greenwich Mean Time (GMT)?

    2 days ago · Greenwich Mean Time or GMT is the mean (average) solar time at the Greenwich Meridian or Prime Meridian, 0 degrees longitude. The time displayed by the Shepherd Gate …

  3. Greenwich Mean TimeGMT Time Zone - timeanddate.com

    Greenwich Mean Time (GMT) has no offset from Coordinated Universal Time (UTC). This time zone is in use during standard time in: Europe, Africa, North America, Antarctica.

  4. What is Greenwich Mean Time (GMT) - and why does it matter?

    The Royal Observatory Greenwich is the home of Greenwich Mean Time (GMT). But what is GMT and why is it so important? What does GMT mean? Greenwich Mean Time is the yearly …

  5. Greenwich Mean Time (GMT) | History & Definition | Britannica

    Oct 19, 2025 · Greenwich Mean Time (GMT), the name for mean solar time of the longitude (0°) of the Royal Greenwich Observatory in England. The meridian at this longitude is called the …

  6. Time Now in GMT (Greenwich Mean Time) | Time.now

    3 days ago · View current time for GMT (Greenwich Mean Time) time zone [Updated live]. Other countries and time zones with the same UTC listed too.

  7. GMT timezone: the Greenwich Mean Time - Worlddata.info

    5 days ago · The "Greenwich Mean Time" refers to the time zone at the zero degree of longitude that runs through the London suburb of Greenwich, from which it takes its name.

  8. Greenwich Mean Time

    4 days ago · Exact time now, time zone, time difference, sunrise/sunset time and key facts for Greenwich Mean Time (GMT).

  9. Greenwich Mean Time (GMT): What It Is, How It Works, and Why …

    Jul 15, 2025 · Greenwich Mean Time (GMT) represents the mean solar time at the Royal Observatory in Greenwich, London. As the world’s first globally adopted time standard, GMT …

  10. GMT Time Now – Current Greenwich Mean Time with Live Clock

    Aug 12, 2025 · Greenwich Mean Time, commonly known as GMT, is a time standard that originated from the Royal Observatory in Greenwich, London. GMT serves as the baseline for …