On 2015-01-06, at 10:01, Paul Saers wrote:

> Hello friends. A new year and IERS has already sent out a note about a new
> leap second to be added. Beloe a C&P from IERS:
> 
> <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> A positive leap second will be introduced at the end of June 2015.
> The sequence of dates of the UTC second markers will be:
> 
>                          2015 June 30,     23h 59m 59s
>                          2015 June 30,     23h 59m 60s
>                          2015 July  1,      0h  0m  0s
> 
> The difference between UTC and the International Atomic Time TAI is:
> 
>  from 2012 July 1,    0h UTC, to 2015 July 1  0h UTC  : UTC-TAI = - 35s
>  from 2015 July 1,    0h UTC, until further notice    : UTC-TAI = - 36s
> <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> 
> This is UTC so that we add one second  late afternoon 30 June in USA or
> early morning 1 July in Singapore. This is only important for those that
> convert TOD timings to real clock.
>  
And IBM provides no way to do that correctly.

-- gil

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