[time-nuts] GMT vs. UTC

[JayHolovacs]

Magnus Danielson wrote:

>Dear arch-time-nuts,
>
>Today I came up with a question onto which I have no simple and quick answer in
>the back of my head, so what is better than turning to my time-nut friends?
>
>The question relates to weither GMT and UTC is the same time-scale or not.
>If they are not, what is the difference? Where would I find any authority
>information showing that they are the same or are not the same.
>
>Now, if you would write law, which one would you use, GMT or UTC?
>Personally, I would go for UTC (since I understand its connection to TAI).
>GMT? I am not sure.
>
>I really need to understand this issue.
>
>Cheers,
>Magnus
>
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>  
>
Some good information at this page:

http://www.ucolick.org/~sla/leapsecs/timescales.html

Interesting explanation that GMT has been redefined multiple times.