While allowed to be up to 0.9 of a second out, presumably they are choosing
to keep it closer, and within ± 0.5 if possible.  The current prediction
shows it is likely to be 660ms out on the 30th of June, while by December
it would be 824!

On 8 January 2015 at 08:53, <[email protected]> wrote:

> As we know, a leap second insertion has been scheduled for the end of june
> this year. My personal bet ws on that date, but judging by the IERS
> predictions of the UT1-UTC delta it could have been put off till december,
> or even june/dec 2016 and still remained within the .9 sec limits defined
> by ITU-R TF.460-6. Was this date chosen as a wakeup call to WP7A?
> (rhetorical).
>
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