[microformats-discuss] International date formats

Dr. Ernie Prabhakar drernie at opendarwin.org
Mon Jul 25 09:57:50 PDT 2005

I also like the idea of a elemental microformat (nanoformat?) for dates.

I presume the official designation would be an "ISO_8601" date in the  
title, but the 'recommended' practice would be, with a space and  

> <abbr title="YYYY-MM-DD HH:MM[:SS]+-Z">

Of course, Robert (unintentionally, I suspect) raised another point:

> But with <abbr title="2004-02-07T22:30">02/07/2005 11:30 pm</abbr>, I
> simply move the mouse cursor over it and my browser will display the
> date in an unambiguous notation.

Alas, "unambiguous" is an unfortunate term: is that 2004 or 2005?   
That is the price of multiple representations; unfortunately, I can't  
think of any way around it.   Ideally I suspect a parser should use  
in the human-readable date as normative, if it could read it, but  
that leads to inconsistent results. :-(

-- Ernie P.

On Jul 25, 2005, at 4:54 AM, fantasai wrote:

> Robert Bachmann wrote:
>> Ryan King wrote:
>>> As many have noticed, the <abbr> for date/time gets reused  
>>> alot...so,
>>> I think it could stand to be refactored out into its own elemental
>>> microformat. What do you think?
>> I think every date/time on the web should be expressed using
>> <abbr title="YYYY-MM-DDTHH:MM">...</abbr>.
> Since ISO 8601 apparently allows replacing the 'T' with a space
>   http://en.wikipedia.org/wiki/ISO_8601#Combined_representations
> then the value of 'title', which is *supposed* to be human-readable
> and which would not be otherwise ambiguous, should use a space,
> not a 'T'.
> ~fantasai
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