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 |
| 2004-12-30 | 53369 | 3.5 |
| 2004-12-20 | 53359 | 4.2 | 2004-12-10 | 53349 | 5.1 |
| 2004-11-30 | 53339 | 4.7 |
| 2004-11-20 | 53329 | 2.5 | 2004-11-10 | 53319 | 2.6 |
| 2004-10-31 | 53309 | 3.4 |
| 2004-10-21 | 53299 | 1.4 |
| 2004-10-11 | 53289 | 3.7 | 2004-10-01 | 53279 | 3.5 |
| 2004-09-21 | 53269 | 4.1 |
| 2004-09-11 | 53259 | 4.7 |
| 2004-09-01 | 53249 | 2.5 |
| 2004-08-22 | 53239 | 0.9 |
| 2004-08-12 | 53229 | -2.5 |
| 2004-08-02 | 53219 | -2.5 |
| 2004-07-23 | 53209 | -4.0 |
| 2004-07-13 | 53199 | -6.0 |
| 2004-07-03 | 53189 | -5.3 |
| 2004-06-23 | 53179 | -6.4 |
| 2004-06-13 | 53169 | -5.2 |
| 2004-06-03 | 53159 | 0.2 |
| 2004-05-24 | 53149 | 5.4 |
| 2004-05-14 | 53139 | 9.9 |
| 2004-05-04 | 53129 | 10.5 |
| 2004-04-24 | 53119 | 7.5 |
| 2004-04-14 | 53109 | 6.9 |
| 2004-04-04 | 53099 | 6.7 |
| 2004-03-25 | 53089 | 6.3 |
| 2004-03-15 | 530079 | 4.1 |
| 2004-03-05 | 53069 | 3.2 |
| 2004-02-24 | 53059 | 1.2 |
| 2004-02-14 | 53049 | -2.0 |
| 2004-02-04 | 53039 | -4.5 |
| 2004-01-25 | 53029 | -4.6 |
| 2004-01-15 | 53019 | -4.2 |
| 2004-01-05 | 53009 | -3.6 |