Coordinated Universal Time

Coordinated Universal Time (UTC) is the primary time standard by which the world regulates clocks and time. It is one of several closely related successors to Greenwich Mean Time (GMT). For most purposes, UTC is synonymous with GMT, but GMT is no longer precisely defined by the scientific community.

Read more about Coordinated Universal Time:  Background, Uses, Definition and Relationship To Other Standards, Abbreviation, Mechanism, History, Rationale, Future

Other articles related to "coordinated universal time, time":

Coordinated Universal Time - Future
... Some time in the 22nd century, two leap seconds will be required every year ... number of leap seconds to keep track of time would become unwieldy by current standards well before these, but presumably if UTC were to continue then horological systems would be ... leap seconds, such that sundials would slowly get further out of sync with civil time ...

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