[Bug 6046] New: Why does range of legal time zone offsets exceed actual usage?

http://www.w3.org/Bugs/Public/show_bug.cgi?id=6046

           Summary: Why does range of legal time zone offsets exceed actual
                    usage?
           Product: XML Schema
           Version: 1.1 only
          Platform: Macintosh
               URL: http://lists.w3.org/Archives/Public/www-xml-schema-
                    comments/2008JulSep/0135.html
        OS/Version: Mac System 9.x
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Datatypes: XSD Part 2
        AssignedTo: cmsmcq@w3.org
        ReportedBy: cmsmcq@w3.org
         QAContact: www-xml-schema-comments@w3.org


In email to the XML Schema comments list on 5 September 2008
(http://lists.w3.org/Archives/Public/www-xml-schema-comments/2008JulSep/0135.html),
Peter F. Patel-Schneider raised the following issue (among others):

  1/ Time instants
  ...
  1.4/ Range of possible timezone values

  The WG does not find a justification for having the range of
  timezone be -840 to +840. The range of timezones currently in use
  ranges from UTC-12 to UTC+14
  (http://en.wikipedia.org/wiki/List_of_time_zones), i.e., -720 to
  +840.

  The WG suggests that the range of timezones be limited to those
  actually in use to tighten comparisons between dateTime values with
  and without timezones.


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