Coordinated Universal Time UTC and its local realization UTC(TP). Computed values of [UTC−UTC(TP)] and uncertainties valid for the period
 of a Circular.
From 2009 January 1, 0h UTC, TAI−UTC = 34 s. From 2012 July 1, 0h UTC, TAI−UTC = 35 s.
UTC−UTC(TP), ns
| Date 0h UTC MJD 
 | Dec 28 56289 −28.8 | Jan 2 56294 −27.6 | Jan 7 56299 −25.3 | Jan 12 56304 −26.7 | Jan 17 56309 −31.0 | Jan 22 56314 −39.4 | Jan 27 56319 −39.9 | Uncertainty/ns uA uB u 0.3 5.1 5.1 | 
| Date 0h UTC MJD 
 | Jan 27 56319 −39.9 | Feb 1 56324 −43.5 | Feb 6 56329 −43.9 | Feb 11 56334 −43.7 | Feb 16 56339 −42.1 | Feb 21 56344 −38.2 | Feb 26 56349 −27.7 | Uncertainty/ns uA uB u 0.3 5.2 5.2 | 
| Date 0h UTC MJD 
 | Feb 26 56349 −27.7 | Mar 3 56354 −23.6 | Mar 8 56359 −25.7 | Mar 13 56364 −27.9 | Mar 18 56369 −23.3 | Mar 23 56374 −20.8 | Mar 28 56379 −18.6 | Uncertainty/ns uA uB u 0.3 5.2 5.2 | 
| Date 0h UTC MJD 
 | Mar 28 56379 −18.6 | Apr 2 56384 −13.5 | Apr 7 56389 −6.6 | Apr 12 56394 −5.6 | Apr 17 56399 −11.2 | Apr 22 56404 −10.5 | Apr 27 56409 −11.9 | Uncertainty/ns uA uB u 0.3 5.2 5.2 | 
| Date 0h UTC MJD 
 | Apr 27 56409 −11.9 | May 2 56414 −12.7 | May 7 56419 −11.1 | May 12 56424 −14.4 | May 17 56429 −10.5 | May 22 56434 −11.3 | May 27 56439 −14.6 | Uncertainty/ns uA uB u 0.3 5.2 5.2 | 
| Date 0h UTC MJD 
 | May 27 56439 −14.6 | Jun 1 56444 −19.3 | Jun 6 56449 −27.0 | Jun 11 56454 −25.0 | Jun 16 56459 −20.2 | Jun 21 56464 −10.8 | Jun 26 56469 −8.5 | Uncertainty/ns uA uB u 0.3 5.2 5.2 | 
Monthly rates of TAI−clock for intervals of one month ending at the given dates (unit is ns/day, "-" denotes that the clock was not used).
| Date | MJD | Clocks | |||
| S/N 154 | S/N 163 | S/N 1227 | S/N 2476 | ||
| 27 Jan 2013 | 56319 | 10.80 | 2.95 | 13.77 | 5.43 | 
| 26 Feb 2013 | 56349 | 8.89 | 3.42 | 13.58 | 6.03 | 
| 28 Mar 2013 | 56379 | 10.38 | 2.52 | 13.41 | 5.76 | 
| 27 Apr 2013 | 56409 | 11.96 | 3.86 | 13.67 | 7.32 | 
| 27 May 2013 | 56439 | 8.54 | 4.81 | 13.59 | 8.12 | 
| 26 Jun 2013 | 56469 | 10.73 | 6.69 | 12.47 | 7.59 | 
Relative weights (in percent) of the clocks for intervals of one month ending at the given dates.
| Date | MJD | Clocks | |||
| S/N 154 | S/N 163 | S/N 1227 | S/N 2476 | ||
| 27 Jan 2013 | 56319 | 0.279 | 0.396 | 0.674 | 0.622 | 
| 26 Feb 2013 | 56349 | 0.232 | 0.453 | 0.525 | 0.535 | 
| 28 Mar 2013 | 56379 | 0.245 | 0.445 | 0.393 | 0.424 | 
| 27 Apr 2013 | 56409 | 0.142 | 0.390 | 0.362 | 0.369 | 
| 27 May 2013 | 56439 | 0.125 | 0.238 | 0.407 | 0.233 | 
| 26 Jun 2013 | 56469 | 0.122 | – | 0.284 | 0.194 |