Understanding GMT: What is Greenwich Mean Time?

Learn what GMT stands for, its significance in timekeeping, and its use as a global time standard.

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GMT stands for Greenwich Mean Time. It is the mean solar time at the Royal Observatory in Greenwich, London. Often used as a time standard, GMT does not change with the seasons, making it a reference point for international timekeeping and helping to synchronize clocks and time across the globe.

FAQs & Answers

  1. How does GMT differ from UTC? While both GMT and UTC are time standards, GMT is based on the Earth's rotation, whereas UTC is a more precise atomic time standard.
  2. What countries use GMT? GMT is widely used in various countries, particularly those in western Europe and Africa, as a reference for standard time.
  3. When was GMT established? GMT was established in 1884 during the International Meridian Conference to provide a uniform time standard across the globe.

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For more insights on timekeeping and global standards, check out our videos on time zones and UTC. Stay informed about how time impacts our daily lives.

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