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NIST Time Scale Data Archive

Updated monthly

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UTC - UTC (NIST)

The deviation of UTC(NIST) from UTC has been less than +/-100 ns since July 6, 1994. The table below shows values of UTC - UTC(NIST) as supplied by the BIPM Circular T for the most recent period in which data are available.

 

UTC - UTC(NIST)Values (at 10-day intervals)

 

Date	MJD	UTC-UTC(NIST) ns
2013-04-27	56409	-4.8
2013-04-17	56399	-8.9
2013-04-07	56389	-11.9
2013-03-28	56379	-14.4
2013-03-18	56369	-16.5
2013-03-08	56359	-17.9
2013-02-26	56349	-18.5
2013-02-16	56339	-20.2
2013-02-06	56329	-19.0
2013-01-27	56319	-16.8
2013-01-17	56309	-14.8
2013-01-07	56299	-11.8