NIST Time Scale Data Archive
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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 |
| 2006-12-30 |
54099 |
15.9 |
| 2006-12-20 |
54089 |
15.5 |
| 2006-12-10 |
54079 |
14.5 |
| 2006-11-30 |
54069 |
11.6 |
| 2006-11-20 |
54059 |
9.8 |
| 2006-11-10 |
54049 |
2.7 |
| 2006-10-31 |
54039 |
-4.9 |
| 2006-10-21 |
54029 |
-11.8 |
| 2006-10-11 |
54019 |
-14.3 |
| 2006-10-01 |
54009 |
-14.4 |
| 2006-09-21 |
53999 |
-13.0 |
| 2006-09-11 |
53989 |
-8.8 |
| 2006-09-01 |
53979 |
-5.4 |
| 2006-08-22 |
53969 |
-0.2 |
| 2006-08-12 |
53959 |
2.3 |
| 2006-08-02 |
53949 |
4.2 |
| 2006-07-23 |
53939 |
6.7 |
| 2006-07-13 |
53929 |
8.6 |
| 2006-07-03 |
53919 |
8.3 |
| 2006-06-23 |
53909 |
8.5 |
| 2006-06-13 |
53899 |
6.9 |
| 2006-06-03 |
53889 |
7.1 |
| 2006-05-24 |
53879 |
6.6 |
| 2006-05-14 |
53869 |
6.2 |
| 2006-05-04 |
53859 |
7.0 |
| 2006-04-24 |
53849 |
6.2 |
| 2006-04-14 |
53839 |
6.0 |
| 2006-04-04 |
53829 |
6.2 |
| 2006-03-25 |
53819 |
5.7 |
| 2006-03-15 |
53809 |
3.8 |
| 2006-03-05 |
53799 |
3.2 |
| 2006-02-23 |
53789 |
2.5 |
| 2006-02-13 |
53779 |
1.3 |
| 2006-02-03 |
53769 |
2.0 |
| 2006-01-24 |
53759 |
2.0 |
| 2006-01-14 |
53749 |
4.1 |
| 2006-01-04 |
53739 |
4.1 |
