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IERS Leap Second

Information on UTC - TAI
5th July, 2018 • Bulletin C 56

No leap second will be introduced
at the end of December 2018.

The difference between Coordinated Universal Time UTC and the International Atomic Time TAI is...
from 2017 January 1, 0h UTC, until further notice : UTC-TAI = -37s

Leap seconds can be introduced in UTC at the end of the months of December or June, depending on the evolution of UT1-TAI.

Information provided by:
Christian Bizouard
Earth Orientation Center of IERS
Observatoire de Paris, France