!!! Overview[1]
[{$pagename}] ([UTC]) is the primary time standard by which the world regulates clocks and time. 

[UTC] as defined in [RFC 3339] is: [{$pagename}] as maintained by the [Bureau International des Poids et Mesures] ([BIPM]).

[{$pagename}] is within about 1 second of mean solar time at 0° longitude and does not observe daylight saving time. 

[{$pagename}] is one of several closely related successors to [Greenwich Mean Time] ([GMT]). For most purposes, [{$pagename}] is considered interchangeable with [Greenwich Mean Time], but [Greenwich Mean Time] is no longer precisely defined by the scientific community.

!! More Information
There might be more information for this subject on one of the following:
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* [#1] - [Coordinated_Universal_Time|Wikipedia:Coordinated_Universal_Time|target='_blank'] - based on information obtained 2017-03-08-