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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
2012-03-23	56009	-1.9
2012-03-13	55999	-2.3
2012-03-03	55989	-3.4
2012-02-22	55979	-4.7
2012-02-12	55969	-2.7
2012-02-02	55959	-0.8
2012-01-23	55949	1.4
2012-01-13	55939	2.7
2012-01-03	55929	4.5