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731Re: Time-intervals in ISO 8601

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  • piebaldconsult
    Jan 16, 2004
      You don't seem to state a point. But it seems to me that simply
      leaving out the end timepoint would serve the purpose.

      --- In ISO8601@yahoogroups.com, "jusjih" <jus168jih@s...> wrote:
      > Two dates separated by a solidus as in ISO 8601 or a hyphen or the
      > like imply a time-interval with known start and end. It may be used
      > for anniversaries of something, such as 1776--2001 for the 225th
      > anniversary of the United States. However, when it is used for
      > somebody, it usually means the dates of birth AND death of a
      > such as Anita MUI Yim-fong (1963--2003 or 1963-10-10--2003-12-30 to
      > be precise) who recently died in Hong Kong.
      > ISO 8601 does not include a time-interval with known start but
      > unknown end. As a double hyphen may be used in place of a solidus,
      > the date of birth of former US President Ronald Wilson Reagan may
      > written as something like 1911-02-06-- (with no definite end as he
      > alive). It is not ISO 8601-compliant. See also my
      > http://www.geocities.com/jusjih/knightrider.html#74 for another
      > example showing time-intervals with or without known ends.
      > Justin
      > P.S. My http://www.geocities.com/jusjih/num-iso8601.html is to be
      > split to 5 pages:
      > Formats and examples of ISO 8601 annotated in 3 languages are now
      > http://www.geocities.com/jusjih/iso8601.html (reinstated URL)
      > Numbers, Dates and Time in English (en), French (fr) and Chinese
      > are now at:
      > http://www.geocities.com/jusjih/numbers.html (en)
      > http://www.geocities.com/jusjih/nombres.html (fr)
      > http://www.geocities.com/jusjih/shu.html (zh)
      > For dates and time, these pages also use ISO 8601 whole showing how
      > to read them in 3 languages.
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