NIST Time Scale Data Archive
Updated monthly
Return to Archive index 2003 2004 2005 2006 2008 2009 2010 2011 Current Year
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 |
