List of UTC timing centers is a list of over 70 recognized maintainers of
atomic clock
An atomic clock is a clock that measures time by monitoring the resonant frequency of atoms. It is based on atoms having different energy levels. Electron states in an atom are associated with different energy levels, and in transitions betwee ...
s around the world from which
UTC is calculated. Below are links to some of the more notable time centers which contribute to the calculation of UTC. UTC is calculated by the
International Bureau of Weights and Measures
The International Bureau of Weights and Measures (french: Bureau international des poids et mesures, BIPM) is an intergovernmental organisation, through which its 59 member-states act together on measurement standards in four areas: chemistry, ...
(BIPM) using weighted averages of the various times as reported by these 70+ listed timing centers.
The Science of Timekeeping
by Agilent Technologies, 1997, 2000. Downloaded June 23, 2016.
When available, links are provided to the relevant "Time Page" displaying the current time as shown from the given service. ''Apparent'' times may vary due to variations in internet transmission times from various locations.
Canada: National Research CouncilFrance: Systemes de Reference Temps EspaceTime PageNetherlands: VSLTime pageUnited Kingdom: National Physical LaboratoryUnited States: National Institute of Standards and TechnologyTime Page
https://www.usno.navy.mil/USNO/time
See also
* Coordinated Universal Time
Coordinated Universal Time or UTC is the primary time standard by which the world regulates clocks and time. It is within about one second of mean solar time (such as UT1) at 0° longitude (at the IERS Reference Meridian as the currently use ...
* Time
References
Timekeeping
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