[uf-discuss] Date-time formats in hCalendar

[Brian Suda]

One of the problems in switching date formats is that you introduce
incompatibilties between the specifications. iCalendar datetimes have
certain limitations - i don't think you can represent 40,000 BCE.
Something that might be possible in other formats.

If we switched to using RFC3339, how do you map those sort of dates
BACK to the ics format? you can't - ultimately hCalendar is a mapping
to iCalendar. We have enough of strugle getting Outlook to work with
valid iCalendar files as it is - changing the date format would cause
more interoperablity problems.

That's my two cents.
-brian

On 8/23/06, Peter Saint-Andre <stpeter at jabber.org> wrote:
> On Wed, Aug 23, 2006 at 10:15:46PM -0400, Bob Jonkman wrote:
> > I've noticed that RFC2445 requires the date-time format to have no punctuation, eg.
> >
> >  yyyymmddThhmmss
> >
> > The  hCalendar examples on http://microformats.org/wiki/hcalendar#Example have
> > punctuation, eg.
> >
> >   yyyy-mm-ddThh:mm:ss
> >
> > which is more like RFC3339 (and better for both humans and machines, IMHO -- the
> > timezone descriptors in RFC2445 are awful!)
>
> A big +1 to RFC 3339 and ISO 8601!
>
> Peter
>
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-- 
brian suda
http://suda.co.uk