[uf-discuss] Date-time formats in hCalendar

Brian Suda brian.suda at gmail.com
Wed Aug 23 19:47:47 PDT 2006

If your problem is specifically with Time Zones, in hCalendar you can
use the ISO datetime[1]


the transformating application will normalize that to a UTC time

Which is a valid datetime for iCalendar

If that is not mentioned on the wiki, as you make your updates please
add that as well.


[1] - http://www.w3.org/TR/NOTE-datetime

On 8/23/06, Bob Jonkman <bjonkman at sobac.com> 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!)
> This appears to be a deliberate hCalendar design decision, according to Note 4 in
> http://microformats.org/wiki/hcalendar#Human_vs._Machine_readable  On the other hand,
> the examples on http://microformats.org/wiki/hcalendar-examples have no punctuation.
> Is it correct to say that the hCalendar date-time format is specified by RFC3339? If
> so, I'd like to amend the Wiki pages to explicitly state the correct hCalendar date-
> time format, referencing RFC3339.
> Also, there is a scarcity of examples with times on the hCalendar page -- I'd like to
> add at least one meeting example with a start and end time.
> Finally, there's a bunch of "@todo" items on the examples page.  If no-one else is
> working on those I could whip up a few.
> --Bob.
> -- -- -- --
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brian suda

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