Coordinated Universal Time (UTC) is the primary time standard by which the world regulates clocks and time.

UTC as defined in RFC 3339 is: Coordinated Universal Time as maintained by the Bureau International des Poids et Mesures (BIPM).

Coordinated Universal Time is within about 1 second of mean solar time at 0° longitude and does not observe daylight saving time.

Coordinated Universal Time is one of several closely related successors to Greenwich Mean Time (GMT). For most purposes, Coordinated Universal Time is considered interchangeable with Greenwich Mean Time, but Greenwich Mean Time is no longer precisely defined by the scientific community.

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« This page (revision-3) was last changed on 14-Oct-2017 08:49 by jim