James Craig wrote:
Tim Parkin wrote:
[...] Shouldn't the focus be on trying to standardise date
formats rather than trying to hide the iso date? If we can get a parser
to recognise 'human readable' dates (which *is* possible, if not totally
easy, http://labix.org/python-dateutil for a python version).
I disagree. If you try to make other, human readable formats into a
standard, they will fall short when it comes time to
internationaliz(s)e it. If you can come up with a better format
readable to all machine and all humans in all languages, I'll recant.
I think the ISO 8601 is the best machine data format for the job. I
just don't think it should be in abbr.
Agreed, James. ISO 8601 is the best format. There may be an option to
have a space in the notation between the date and time thus removing the
"T" [1],[2]. E.g:
2007-05-20 12:34
This is read by JAWS 8.0 in IE6 and IE7 as "two thousand seven dash zero
five dash twenty twelve thirty-four" (via Jon Gibbins [3]).
However, RFC 3339 [4] or W3C Date and Time format note [5] doesn't
feature a space in the available examples.
The issue for me is we're trying to fit a machine readable date in to a
human readable form. All users (whether visually impaired or not) still
need to know the format or learn it as they have to learn every
interface element at first contact.
No matter what the notation is, it will always be fairly ambiguous.
Prepending the value still seems to me to be worthy of consideration in
order to provide context and help users to learn the notation in a some
way. After first coming across it, at least screen reader users (and
everyone else) can choose not expand attribute values for dates and
times (choosing not to learn it as irrelevant), or search to learn more
about the notation.
Jon Tan
http://gr0w.com
[1] http://www.cl.cam.ac.uk/~mgk25/iso-time.html ("Time of day" section)
[2] http://www.cs.tut.fi/~jkorpela/iso8601.html (in the summary)
[3]
http://dotjay.co.uk/tests/screen-readers/microformats/datetime-design-pattern/YYYY-MM-DD%20HH-MM.php
[4] http://www.ietf.org/rfc/rfc3339.txt
[5] http://www.w3.org/TR/NOTE-datetime
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