Coordinated Universal Time UTC and its local realization UTC(TP). Computed values of [UTC−UTC(TP)] and uncertainties valid for the period
of this Circular.
From 2006 January 1, 0h UTC, TAI−UTC = 33 s. From 2009 January 1, 0h UTC, TAI−UTC = 34 s.
UTC−UTC(TP), ns
|
Date 0h UTC MJD
|
Dec 29 55194 -15.5 |
Jan 3 55199 -18.4 |
Jan 8 55204 -16.9 |
Jan 13 55209 -11.5 |
Jan 18 55214 -10.5 |
Jan 23 55219 -17.6 |
Jan 28 55224 -19.7 |
Uncertainty/ns uA uB u 0.3 5.1 5.1 |
|
Date 0h UTC MJD
|
Jan 28 55224 -19.7 |
Feb 2 55229 -19.7 |
Feb 7 55234 -12.9 |
Feb 12 55239 -19.0 |
Feb 17 55244 -13.7 |
Feb 22 55249 -10.9 |
Feb 27 55254 -10.8 |
Uncertainty/ns uA uB u 0.3 5.1 5.1 |
|
Date 0h UTC MJD
|
Feb 27 55254 -10.8 |
Mar 4 55259 -12.2 |
Mar 9 55264 -9.4 |
Mar 14 55269 -6.4 |
Mar 19 55274 -8.1 |
Mar 24 55279 -12.6 |
Mar 29 55284 -14.0 |
Uncertainty/ns uA uB u 0.3 5.3 5.1 |
|
Date 0h UTC MJD
|
Mar 29 55284 -14.0 |
Apr 3 55289 -9.0 |
Apr 8 55294 -12.4 |
Apr 13 55299 -6.7 |
Apr 18 55304 -6.6 |
Apr 23 55309 -7.5 |
Apr 28 55314 -9.2 |
Uncertainty/ns uA uB u 0.3 5.2 5.2 |
|
Date 0h UTC MJD
|
Apr 28 55314 -9.2 |
May 3 55319 -9.0 |
May 8 55324 -4.5 |
May 13 55329 -4.3 |
May 18 55334 -10.0 |
May 23 55339 -10.9 |
May 28 55344 -12.5 |
Uncertainty/ns uA uB u 0.3 5.2 5.2 |
|
Date 0h UTC MJD
|
May 28 55344 -12.5 |
Jun 2 55349 -9.9 |
Jun 7 55354 -5.9 |
Jun 12 55359 -10.5 |
Jun 17 55364 -8.2 |
Jun 22 55369 -6.5 |
Jun 27 55374 -10.9 |
Uncertainty/ns uA uB u 0.3 5.2 5.2 |
|
Date 0h UTC MJD
|
Jun 27 55374 -10.9 |
Jul 2 55379 -18.6 |
Jul 7 55384 -15.9 |
Jul 12 55389 -16.0 |
Jul 17 55394 -17.1 |
Jul 22 55399 -11.7 |
Jul 27 55404 -8.1 |
Uncertainty/ns uA uB u 0.3 5.2 5.2 |
|
Date 0h UTC MJD
|
Aug 1 55409 -5.5 |
Aug 6 55414 -0.3 |
Aug 11 55419 -0.4 |
Aug 16 55424 3.7 |
Aug 21 55429 3.9 |
Aug 26 55434 5.3 |
Aug 31 55439 4.1 |
Uncertainty/ns uA uB u 0.3 5.2 5.2 |
|
Date 0h UTC MJD
|
Aug 31 55439 4.1 |
Sep 5 55444 12.2 |
Sep 10 55449 11.0 |
Sep 15 55454 12.3 |
Sep 20 55459 11.0 |
Sep 25 55464 16.4 |
Sep 30 55469 21.1 |
Uncertainty/ns uA uB u 0.3 5.1 5.1 |
|
Date 0h UTC MJD
|
Sep 30 55469 21.1 |
Oct 5 55474 24.8 |
Oct 10 55479 23.6 |
Oct 15 55484 27.5 |
Oct 20 55489 22.9 |
Oct 25 55494 18.1 |
Oct 30 55499 18.4 |
Uncertainty/ns uA uB u 0.3 5.2 5.2 |
|
Date 0h UTC MJD
|
Oct 30 55499 18.4 |
Nov 4 55504 14.2 |
Nov 9 55509 11.6 |
Nov 14 55514 12.0 |
Nov 19 55519 18.7 |
Nov 24 55524 10.9 |
Nov 29 55529 13.0 |
Uncertainty/ns uA uB u 0.3 5.2 5.2 |
|
Date 0h UTC MJD
|
Nov 29 55529 13.0 |
Dec 4 55534 15.7 |
Dec 9 55539 8.4 |
Dec 14 55544 3.6 |
Dec 19 55549 -1.6 |
Dec 24 55554 2.7 |
Dec 29 55559 2.8 |
Uncertainty/ns uA uB u 0.3 5.1 5.1 |
Monthly rates of TAI−clock for intervals of one month ending at the given dates (unit is ns/day, 0.00 denotes that the clock was not used).
Monthly clock rates, ns/day
| Datum | MJD | Clocks | ||||
| S/N 154 | S/N 163 | S/N 326 |
S/N 1227 |
S/N 2476 | ||
| 29 Dec 2009 | 55194 | 10.66 | 3.02 | -71.48 | 12.92 | 3.79 |
|
28 Jan 2010 |
55224 | 10.35 | 3.94 | -71.02 | 13.10 | 4.13 |
| 27 Feb 2010 | 55254 | 9.89 | 4.09 | -71.70 | 13.44 | 4.48 |
| 29 Mar 2010 | 55284 | 11.96 | 5.97 | -71.41 | 13.07 | 4.41 |
| 28 Apr 2010 | 55314 | 8.87 | 7.18 | -71.44 | 13.30 | 5.22 |
| 28 May 2010 | 55344 | 10.02 | 9.34 | -71.83 | 12.99 | 5.06 |
| 27 Jun 2010 | 55374 | 11.21 | 10.29 | -72.54 | 13.20 | 4.94 |
| 27 Jul 2010 | 55404 | 10.55 | 11.44 | -72.10 | 13.28 | 5.42 |
| 31 Aug 2010 | 55439 | 7.91 | 11.88 | -72.58 | 13.50 | 5.35 |
| 30 Sep 2010 | 55469 | 10.00 | 12.56 | -73.64 | 13.55 | 5.70 |
| 30 Oct 2010 | 55499 | 10.52 | 14.00 | -73.59 | 13.77 | 6.19 |
| 29 Nov 2010 | 55529 | 12.16 | 14.47 | -1 | 14.11 | 5.65 |
| 29 Dec 2010 | 55559 | 11.34 | 15.32 | - | 13.75 | 6.61 |
Relative weights (in percent) of the clocks for intervals of one month ending at the given dates.
Clock weights in percents
| Datum | MJD | Clocks | ||||
| S/N 154 | S/N 163 | S/N 326 | S/N 1227 | S/N 2476 | ||
| 29 Dec 2009 | 55194 | - |
- |
- |
0.312 | - |
|
28 Jan 2010 |
55224 | - | - | - | 0.391 | - |
| 27 Feb 2010 | 55254 | 0.124 | - |
0.049 | 0.739 | 0.428 |
| 29 Mar 2010 | 55284 | 0.122 | 0.047 | 0.063 | 0.758 | 0.496 |
| 28 Apr 2010 | 55314 | 0.071 | 0.028 | 0.079 | 0.742 | 0.284 |
| 28 May 2010 | 55344 | 0.096 | 0.018 | 0.098 | 0.746 | 0.322 |
| 27 Jun 2010 | 55374 | 0.118 | 0.014 | 0.091 | 0.718 | 0.369 |
| 27 Jul 2010 | 55404 | 0.144 | 0.012 | 0.100 | 0.712 | 0.362 |
| 31 Aug 2010 | 55439 | 0.091 | 0.012 | 0.106 | 0.714 | 0.407 |
| 30 Sep 2010 | 55469 | 0.108 | 0.012 | 0.090 | 0.716 | 0.414 |
| 30 Oct 2010 | 55499 | 0.115 | 0.011 | 0.108 | 0.737 | 0.376 |
| 29 Nov 2010 | 55529 | 0.112 | 0.010 | -1 | 0.755 | 0.524 |
| 29 Dec 2010 | 55559 | 0.108 | 0.011 | - | 0.758 | 0.487 |
1 - Cs tube at the end of life.
