[Tagging] opening hours
gdt at ir.bbn.com
Sun Feb 21 12:59:16 GMT 2010
This points to the RFC
I created a test event, which starts in march and is 1000-1200 local
time on the third sunday of every month. Here's the ics file from the
mac calendar. Obviously there's a lot more in here than is needed to
specify the time - I'l annotate it
PRODID:-//Apple Inc.//iCal 4.0.1//EN
we can skip this..
This is all about the timezone, and that's something OSM already ignores
(times are in the local time at the location), which seems perfectly ok.
that's even metadata to let sent/received invitations match up, so not needed
end time (first due to alphabetizing
the recurrence rule.
start time of first event
perhaps created on export; not needed
not sure what that is
Clearly opening hours more or less has a grammar (I wonder if anyone is
trying to mcahine parse the values, and finding problems, or has a "find
me an open foo nearby" service).
The current rules are geared towards weekly recurrence, which is of
course a good match for (much of?) the real world.
In vcalendar, there can be "third sunday" rules and "every two weeks".
It seems likely that only "third sunday" or "last thursday" is needed
for opening hours.
for third sunday, and
for last thursday, plus
for penultimate wednesday (I know a place that gives ham radio exams on
that actual schedule) would be minimally invasive to the current format
and still capture the semantics of icalendar.
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