Le 05/01/2012 15:39, Zefram a écrit :
Looking at the predicted values, 2012s are at the lower bounds for previous leaps. Maybe they were making sure there was no chance of breaking -0,9s.Markus Kuhn wrote:A positive leap second will be introduced at the end of June 2012.Slight surprise there. It's the obviously-correct scheduling to minimise |UT1-UTC|, but IERS has been favouring December in recent years, and there was plenty of slack to postpone this leap until December. (Actually |UT1-UTC| could be kept smaller still by scheduling the leap for March, but that would require a procedural change.)-zefram
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