[time-nuts] Loran-C & French Clocks

Jean-Louis Oneto Jean-Louis.Oneto at obs-azur.fr
Tue Mar 17 17:12:18 EDT 2009


Hello,
The French Legal Time Reference is defined since a 1978 decree by the 
UTC(OP) realisation of UTC, as stated here:
http://syrte.obspm.fr/index.php?prefix=temps&lang=en

Furthermore, the International Earth Rotation Service at Paris Observatory 
is responsible for the leapseconds insertion in UTC...
Have a nice day,
Jean-Louis Oneto
Grasse - France

----- Original Message ----- 
From: "Magnus Danielson" <magnus at rubidium.dyndns.org>
To: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
Sent: Tuesday, March 17, 2009 7:27 PM
Subject: Re: [time-nuts] Loran-C & French Clocks


> Arnold,
>
>> I therefore cannot see any problem is with France,
>> but we have the need to define more precise and stable
>> reference time from where we can then measure and add
>> the Earth and Solar instabilities for our daily used standard
>> watches, in order to be enabled still to continue living and
>> travelling sun synchronously....
>>
>> I hope not having been informed wrong so far,
>> kind regards and always precise time
>
> Please recall that just because the TAI and UTC clocks is being
> maintained by BIPM just outside of Paris does not mean the same as being
> legally accepted basis of time within France.
>
> Citing relevant law stating that the time of France shall be UTC + 1h
> for normal time and UTC + 2h for summer time is providing the piece of
> the puzzle that I was asking for.
>
> I have read Swedish and Danish law in this respect, as well as most
> translations of the EC directive on summertime.
>
> It should be noted that I do not assume UTC = GMT.
>
> Cheers,
> Magnus
>
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