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What is UTC? The Universal Time Standard Explained

What is UTC? UTC stands for Coordinated Universal Time (from the French "Temps Universel Coordonné"). It's the primary time standard by which the world regulates clocks and time. UTC is the successor to Greenwich Mean Time (GMT) and serves as the reference point from which all other time zones are calculated. Why "UTC" and not "CUT" or "TUC"? The abbreviation "UTC" is a compromise between the English "Coordinated Uni