[time-nuts] Leap second

[Alberto di Bene]

On 1/5/2012 11:26 PM, Jim Palfreyman wrote:
> Leap second has been announced for July.
>
> Jim

Yes, this was copied from another list :

>Subject: Bulletin C number 43
>
>
>
>
> 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 26
>FAX       : 33 (0) 1 40 51 22 91
>e-mail    : services.iers at obspm.fr
>http://hpiers.obspm.fr/eop-pc
>
>                     Paris, 5 January 2012
>                  
>                     Bulletin C 43
>                  
>                     To authorities responsible
>		      for the measurement and
>		      distribution of time
>
>
>                     UTC TIME STEP
>                     on the 1st of July 2012
>                  
>
> A positive leap second will be introduced at the end of June 2012.
> The sequence of dates of the UTC second markers will be:		
>		
>                     2012 June 30,     23h 59m 59s
>                     2012 June 30,     23h 59m 60s
>                     2012 July  1,      0h  0m  0s
>              
> The difference between UTC and the International Atomic Time TAI is:
>
>  from 2009 January 1, 0h UTC, to 2012 July 1  0h UTC  : UTC-TAI = - 34s
>  from 2012 July 1,    0h UTC, until further notice    : UTC-TAI = - 35s
>  
> 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
>                     Head		
>                     Earth Orientation Center of IERS
>		      Observatoire de Paris, France
>
>__________________________________________
>

73  Alberto  I2PHD