INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS) reports:

NO positive leap second will be introduced at the end of December 2006.
The difference between Coordinated Universal Time UTC and the
International Atomic Time TAI is :

from 2006 January 1, 0h UTC, until further notice : UTC-TAI = -33 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

SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE ET DES SYSTEMES DE REFERENCE

SERVICE DE LA ROTATION TERRESTRE
OBSERVATOIRE DE PARIS
’
Tel. :
FAX :
Internet :

Paris, 19 July 2006

Bulletin C 32

To authorities responsible
for the measurement and
distribution of time

INFORMATION ON UTC - TAI