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[Bug 7868] what about time zones? which one is used? local (may be difficult to find out)? is this communicated to the user? can he change it?

From: <bugzilla@wiggum.w3.org>
Date: Thu, 22 Oct 2009 10:58:17 +0000
To: public-html-bugzilla@w3.org
Message-Id: <E1N0vN3-0000Uc-OE@wiggum.w3.org>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=7868





--- Comment #14 from Ben Bucksch <ben.bucksch@beonex.com>  2009-10-22 10:58:17 ---
> You haven't provided a single URL to a site

How can I provide a URL to a site using a feature that does not exist?

The idea here is to make timezones explicit in system, but transparent to
users. Users don't need to bother with them, still they are always correct. No
guessing from programmers/servers.

Current websites ask you to provide your timezone in prefs, because we have
proper date/time handling on the web yet.

> > The timezone my parents are in.
> > Firefox 3.7 release at 2009-11-20.
> > Both are in PDT timezone.

All of the above are examples of precise times, not dates, and one would use
type=datetime, not type=date.

In practice, please express them by date. Microsoft says a software is going to
be released on Tuesday, and the German press reports it as such, but Microsoft
implicitly means PDT, and I notice only when I wait all day and nothing
happens.

When I schedule the vacation of my parents in the calendar, I use all-day
events.

> In practice, this is not how calendars work as far as I can tell.

See above. Current websites are limited by date strings plus user prefs.

> > You still have not responded to the case described in comment 5.

> If you want to schedule a reminder, you don't ask for a date,
> you ask for a time.

You didn't take my case. I picked up your birthday case, and explained it. You
don't use a datetime for birthday. Yet, birthday reminders are not uncommon,
and they do need a timezone information, because the reminder needs to happen
at a certain real-world *time*, although the user entered only a *date*. Ergo,
you need a timezone.

> Please feel free to escalate this if you still disagree.

How?
Yes, I think this is a clear and giant mistake, and will lead to serious
problems. Not more than we already have, but much more than we could have.


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