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Wednesday, 6 March 2024

An Introduction to UTC: The Standardized Time Reference for the World

UTC stands for Coordinated Universal Time. It is a standardized time that is used as a reference for the world's time zones. UTC is also known as Greenwich Mean Time (GMT), as it is based on the time at the Prime Meridian, which passes through the Royal Observatory in Greenwich, London, England.

UTC is used as a standard for international timekeeping, and it is the basis for civil time in many countries around the world. It is based on the Earth's rotational period, which is slightly irregular, so it is adjusted periodically to keep it in sync with the Earth's rotational period. This is done by adding or subtracting leap seconds as needed.

UTC is expressed as a time with hours, minutes, and seconds, and it is not affected by daylight saving time (DST). This means that UTC is the same all year round, regardless of whether it is summer or winter.

Many computer systems and other electronic devices use UTC as their default time standard, as it is a convenient and reliable way to synchronize time across different locations and time zones.

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