International Atomic Time (abbreviated TAI, from its French name temps atomique international) is a high-precision atomic coordinate time standard based...

UT1 and International Atomic Time (TAI) are also used alongside UTC. UTC is based on TAI, which is a weighted average of hundreds of atomic clocks worldwide...

of International Atomic Time (TAI), which is maintained by an ensemble of atomic clocks around the world. The system of Coordinated Universal Time (UTC)...

the time scale often used as a basis for civil purposes, Coordinated Universal Time (UTC). TT is indirectly the basis of UTC, via International Atomic Time...

newer time standards based wholly or partly on atomic time using the SI second. International Atomic Time (TAI) is the primary international time standard...

atomic timescales, e.g. coordinated universal time, GPS time, International Atomic Time, etc. Geocentric Coordinate Time (TCG) is a coordinate time having...

Equation of time International Atomic Time Ist (disambiguation page) John Goldingham Railway time in India Sri Lanka Standard Time Terrestrial Time Time in India...

they crossed the meridian each day. Nowadays, UT in relation to International Atomic Time (TAI) is determined by Very Long Baseline Interferometry (VLBI)...

with the consensus, which is called International Atomic Time (TAI). TAI "ticks" atomic seconds.: 207–218  Civil time is defined to agree with the rotation...

precise time, as measured by atomic clocks, and solar time, relating to the position of the earth in relation to the sun. International Atomic Time (TAI)...