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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