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 |
| 2007-12-25 | 54459 | 3.0 | 2007-12-15 | 54449 | 5.2 |
| 2007-12-05 | 54439 | 5.1 | 2007-11-25 | 54429 | 7.1 |
| 2007-11-15 | 54419 | 5.6 | 2007-11-05 | 54409 | 5.8 |
| 2007-10-26 | 54399 | 4.5 | 2007-10-16 | 54389 | 2.3 |
| 2007-10-06 | 54379 | 1.7 | 2007-09-26 | 54369 | 1.2 |
| 2007-09-16 | 54359 | 0.0 | 2007-09-06 | 54349 | -2.1 |
| 2007-08-27 | 54339 | -3.0 | 2007-08-17 | 54329 | -2.3 |
| 2007-08-07 | 54319 | -2.4 |
| 2007-07-28 | 54309 | -1.8 |
| 2007-07-18 | 54299 | -2.8 | 2007-07-08 | 54289 | -1.7 |
| 2007-06-28 | 54279 | -0.2 | 2007-06-18 | 54269 | 2.6 |
| 2007-06-08 | 54259 | 2.1 | 2007-05-29 | 54249 | 5.4 |
| 2007-05-19 | 54239 | 7.9 | 2007-05-09 | 54229 | 9.4 |
| 2007-04-29 | 54219 | 11.2 | 2007-04-19 | 54209 | 10.4 |
| 2007-04-09 | 54199 | 11.4 | 2007-03-30 | 54189 | 12.5 |
| 2007-03-20 | 54179 | 13.6 | 2007-03-10 | 54169 | 15.2 |
| 2007-02-28 | 54159 | 15.2 | 2007-02-18 | 54149 | 15.3 |
| 2007-02-08 | 54139 | 14.0 | 2007-01-29 | 54129 | 13.3 |
| 2007-01-19 | 54119 | 15.5 | 2007-01-09 | 54109 | 16.1 |
Online: September 2002 - Last update: January 31, 2008 - ep