[LEAPSECS] Bloomberg announced its smear

Warner Losh imp at bsdimp.com
Tue Sep 27 09:40:28 EDT 2016


On Tue, Sep 27, 2016 at 7:04 AM, Stephen Colebourne
<scolebourne at joda.org> wrote:
> On 27 September 2016 at 10:02, Tony Finch <dot at dotat.at> wrote:
>> So, if everyone who is smearing is doing so piecewise-linear, it seems
>> there is a great opportunity for them to get together and choose a
>> consensus set of smear parameters.
>>
>> Amazon    -12h +12h
>> Bloomberg -0   +2ks
>> Google    -10h +10h
>> QTnet -"about 2 hours" +0
>> UTC-SLS   -1ks +0
>
> Great summary! And yes, choosing a single approach to smearing would
> be highly desirable at this point.
>
> All of these are compatible with the Java Time-Scale [1] which favours
> UTC-SLS, but has as a basic requirement that it matches the de facto
> international civil time scale (broadcast UTC) at noon each day. The
> Java Time-Scale can also be changed if a standard smearing approach
> comes out.

Eliminating leap seconds would be a great way to unify all these approaches :)
And it too is compatible with JTS.

Warner


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