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NIST UTC 2017 Archive

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
2017-12-22 58109 -0.3
2017-12-12 58099 1.4
2017-12-02 58089 0.4
2017-11-22 58079 -0.8
2017-11-12 58069 -0.1
2017-11-02 58059 0.9
2017-10-23 58049 -0.3
2017-10-13 58039 -0.3
2017-10-03 58029 0.6
2017-09-23 58019 2.2
2017-09-13 58009 1.7
2017-09-03 57999 0.6
2017-08-24 57989 1.2
2017-08-14 57979 3.4
2017-08-04 57969 2.7
2017-07-25 57959 1.6
2017-07-15 57949 0.7
2017-07-05 57939 0.6
2017-06-25 57929 1
2017-06-15 57919 0
2017-06-05 57909 -1.3
2017-05-26 57899 -3.8
2017-05-16 57889 -4.3
2017-05-06 57879 -3.8
2017-04-26 57869 0.5
2017-04-16 57859 6.9
2017-04-06 57849 10
2017-03-27 57839 5.5
2017-03-17 57829 -4.9
2017-03-07 57819 -6.6
2017-02-25 57809 -5.1
2017-02-15 57799 -2
2017-02-05 57789 -0.6
2017-01-26 57779 -0.6
2017-01-16 57769 -1.2
2017-01-06 57759 -1.4
Created February 28, 2018, Updated October 7, 2020