> And indeed :-)
> 
>   All minimally conforming processors 7must7 support [...] a minimum
>   fractional second precision of 1 millisecond or three digits (i.e.,
>   s.sss).
>   -- XQuery 1.0 and XPath 2.0 F. & O., 10.1.1 Limits and Precision
> 
> http://www.w3.org/TR/xquery-operators/#date-time-duration-conformance
> 
> But then, your network router probably does have a reasonable clock.

I don't think an acurate clock is required, I believe that that refers
to the required accuracy in the date arithmetic, not any requirement to
have an accurate clock.

David

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