[time-nuts] French Time offset

Jean-Louis Oneto Jean-Louis.Oneto at obs-azur.fr
Wed Mar 18 17:13:47 UTC 2009

BIPM is an _international_ organisation, and apart to be in France, has 
nothing to do (and never had as far as I know) with the definition of French 
legal time. At least no more than for any other country UTC (or TAI) based.
----- Original Message ----- 
From: "Lux, James P" <james.p.lux at jpl.nasa.gov>
To: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
Sent: Wednesday, March 18, 2009 12:58 PM
Subject: Re: [time-nuts] French Time offset

> On 3/17/09 10:35 PM, "Rich and Marcia Putz" <rputz at bnin.net> wrote:
>> Thanks John, yes I'm real.
>> The 1978 date is correct, I'm looking for the article to quote. Prior to 
>> the
>> decree, France maintained a roughly twelve and a half minute offset. I 
>> always
>> was struck by this as the BIPM is located in France, and has been for 
>> many
>> years.  Disagreement on the location of the prime meridian perhaps?
> Paris is at 2degrees 20 min longitude, which isn't enough to account for
> 12.5 minutes.  Sevres (where BIPM is) is actually a bit to the west, so 
> even
> less solar time difference.
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