UTC: " Coordinated Universal Time (abbreviated UTC) is the time standard by which the world regulates clocks and time. Computer servers, online services and other entities that rely on having a universally accepted time use "Coordinated Universal Time" for that purpose. Though there are scientific differences (explained below) between "Coordinated Universal Time" and the time standard known as Greenwich Mean Time (GMT) - in the very broadest sense as understood by non-scientists, "Coordinated Universal Time" in essence is Greenwich Mean Time (GMT). When times are listed as being "UTC" - this is de facto the equivalent of "GMT". " (wikpedia)

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