On Tue, 16 Jun 1998, Tony Moss wrote:
>Fellow Shadow Watchers,
> Can anyone tell me when (or if) the system of
>International Time Zones was formally established/recognized and by what
>authority? Did it just evolve from each country's individual needs and
>interpretations or was there an international conference at some stage?
>
>I have the British Admiralty World Time Zone Chart (5001) revised 1992
>but the notes thereon give no indication of its origins.
>
>The information is requested for the notes to accompany a public dial and
>if anyone has this to hand it would save some urgent trawling through
>reference material.
>
>Thanks in anticipation,
>
>
>Tony Moss
The International Meridian Conference held in Washington, D.C. in 1884
established the zero meridian and the universal day but I don't think it
specifically adopted the system of zones, which, in North America at least,
was already in use by the railways.
-- Richard Langley
Professor of Geodesy and Precision Navigation
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Richard B. Langley Internet: [EMAIL PROTECTED] or
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