Markus Kuhn Markus.Kuhn at
Thu Jan 28 16:50:09 UTC 1999

"Infoman Inc." wrote on 1999-01-28 14:46 UTC:
> I am a Canadian participant in ISO TC154 standardization work with respect
> to ISO 8601 Representation of Dates and Times as well as ...

Ah, good. Is there a newer draft of ISO 8601 available than the
one on <> that
Louis Visser has sent me exactly a year ago?

The draft that I have still says (and did over many revisions) in
awkwardly long-winded language that

  NOTE: To be precise, it should be mentioned that the naming and
  numbering of the days of the week correspond with assigning to
  the date of 2000-01-01 the name Wednesday.

This will cause a major disruption of our calendar system, because >90%
of all computers in operation still believe that my 29th birthday will
be a Saturday and not a Wednesday ... ;-)

Unnecessary to say that ISO 8601:1999 still needs a lot of

> Can any of you help me out on this? Have some ideas? Are any of you aware of
> "standardised" approaches/implementations for date/time stamping services
> currently in existence that can/should serve as input into the development
> of an international standard?, etc.

My accumulated, condensed, and distilled knowledge on this topic
is embedded in

where you will also find numerous pointers to relevant literature.


Markus G. Kuhn, Computer Laboratory, University of Cambridge, UK
Email: mkuhn at,  WWW: <>

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