BIPM Time Dept database

BIPM Time Department Data Base
Home Participation guidelines	Timing centers Acronyms and locations Time scale Contributors Geographical map	Lab. equipment GNSS TWSTFT Time Scale Dissemination services	Clocks / PSFS Clock stats & codes Obtain BIPM clock code by laboratory PSFS participation BIPM Time Scales	Calibrations GNSS status GNSS results TWSTFT status	Interactive plots UTC-UTC(k) UTC-GNSS times Fract. deviation d	Web services Time scales Standard Frequencies

Time scales relationship (from BIPM) :

Differences between the normalized frequencies of EAL and TAI , since the beginning of the steering, in 1977.

Time scales relationship (from IERS)

Differences between UTC and TAI :

Relative frequency offsets and step adjustments
Relationship between TAI and UTC.

Leap seconds

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The BIPM Time Department makes no representations or warranties about the completeness, accuracy and reliability of the information.