[LEAPSECS] Bulletin C #47 2014-01-16

[Zefram]

>     INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS) 

>

>SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE ET DES SYSTEMES DE REFERENCE

>

>

>SERVICE DE LA ROTATION TERRESTRE

>OBSERVATOIRE DE PARIS

>61, Av. de l'Observatoire 75014 PARIS (France)

>Tel.      : 33 (0) 1 40 51 22 29

>FAX       : 33 (0) 1 40 51 22 91

>Internet  : services.iers at obspm.fr

>

>                                             Paris, 16 January 2014

>                                                           

>

>                                             Bulletin C 47

>                                

>                                             To authorities responsible

>                                             for the measurement and 

>                                             distribution of time             

>                                                                                        

>

>

>                          INFORMATION ON UTC - TAI

>                      

>

> NO leap second will be introduced at the end of June 2014.

> The difference between Coordinated Universal Time UTC and the 

> International Atomic Time TAI is :		

>		

>     from 2012 July 1, 0h UTC, until further notice : UTC-TAI = -35 s

>

> Leap seconds can be introduced in UTC at the end of the months of December 

> or June,  depending on the evolution of UT1-TAI. Bulletin C is mailed every  

> six months, either to announce a time step in UTC, or to confirm that there 

> will be no time step at the next possible date.

>

>

>                                            Daniel GAMBIS

>                                            Director			

>                                            Earth Orientation Center of IERS

>					    Observatoire de Paris, France


No surprise there given current Bulletin A projections, which have UT1-UTC
= -0.30177 s at 2014-07-01T00Z.  December looks likely to have the next
leap (projected UT1-UTC = -0.47710 s at 2015-01-01T00Z).

-zefram