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NIST UTC 2012 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 |
|---|---|---|
| 2012-12-28 | 56289 | -9.5 |
| 2012-12-18 | 56279 | -6.6 |
| 2012-12-08 | 56269 | -4.7 |
| 2012-11-28 | 56259 | -3.1 |
| 2012-11-18 | 56249 | -1.3 |
| 2012-11-08 | 56239 | -1.4 |
| 2012-10-29 | 56229 | 0.5 |
| 2012-10-19 | 56219 | 2.5 |
| 2012-10-09 | 56209 | 2.8 |
| 2012-09-29 | 56199 | 2.9 |
| 2012-09-19 | 56189 | 3.9 |
| 2012-09-09 | 56179 | 3.3 |
| 2012-08-30 | 56169 | 2.8 |
| 2012-08-20 | 56159 | 2.7 |
| 2012-08-10 | 56149 | 2.8 |
| 2012-07-31 | 56139 | 2.3 |
| 2012-07-21 | 56129 | 2.9 |
| 2012-07-11 | 56119 | 3.5 |
| 2012-07-01 | 56109 | 4.8 |
| 2012-06-21 | 56099 | 5.5 |
| 2012-06-11 | 56089 | 7.8 |
| 2012-06-01 | 56079 | 9.3 |
| 2012-05-22 | 56069 | 10.2 |
| 2012-05-12 | 56059 | 9.1 |
| 2012-05-02 | 56049 | 7.0 |
| 2012-04-22 | 56039 | 4.1 |
| 2012-04-12 | 56029 | 0.9 |
| 2012-04-02 | 56019 | -0.6 |
| 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 |
Created March 14, 2013, Updated October 7, 2020