International Atomic Time


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International Atomic Time

n
(Horology) the scientific standard of time based on the SI unit, the second, used by means of atomic clocks and satellites to synchronize the time standards of the major nations. Abbreviation: TAI

International Atomic Time

The time reference scale established by the Bureau International des Poids et Mesures on the basis of atomic clock readings from various laboratories around the world. Also called TAI.
References in periodicals archive ?
Coordinated Universal Time is apparently 32 seconds behind International Atomic Time because one adds leap seconds and the other doesn't.
The ACES experiment payload will also help improve the precision and long-term stability of international atomic time (TAI) and coordinated universal time (UTC).
International Atomic Time is calculated by the International Bureau of Weights and Measures (BIPM) from the readings of more than 200 atomic clocks located in metrology institutes and observatories in more than 30 countries around the world.

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