[LEAPSECS] Reliability

Nero Imhard nimh at pipe.nl
Fri Jan 2 12:43:01 EST 2009



On 2009-01-02, at 18:14, Rob Seaman wrote:


> Yes, it's certainly true that sundials show apparent solar time.


Not all! A Bernhardt precision sundial has a specially shaped gnomon
and shows UT or local civil time to precisions well within one minute.
Beautiful things. I wish I had one.

N


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