[tz] So, about those LMT offsets

[Brian Inglis]

On 2021-05-23 16:33, Clive D.W. Feather wrote:
> Brian Inglis via tz said:
>>  From the legal viewpoint in the English common law based legal world, which
>> is most of the Commonwealth of Nations and former colonies including the USA,
>> mean solar time represented by UT and some offset(s) still applies, due to
>> pre-atomic precedents, regardless of IAU, ISO, or ITU opinions about
>> ephemerides, atomic physics, or radio signals.
>> If tested, I would expect the current definition of the second may have no
>> legal basis in those jurisdictions, and it would be interesting to see if a
>> case could be made on the technicality that times commonly used and often
>> relied upon may not be legally valid.
> 
> I can't speak for anywhere else, but if it became a significant point in a
> case, I would expect an English judge to rule that "Greenwich mean time"
> has now come to mean UTC.

I think rather that UTC (as it is currently defined) could be ruled a
legally valid approximation to mean solar time at the standard meridian,
which is what the precedents deal with.

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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