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DATETIME  May 2013

DATETIME May 2013

Subject:

Re: repeating, cyclic dates

From:

Bruce D'Arcus <[log in to unmask]>

Reply-To:

Discussion of the Developing Date/Time Standards <[log in to unmask]>

Date:

Fri, 3 May 2013 14:00:22 -0400

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (38 lines)

Does that really belong in a value? My first impulse is not.

On Fri, May 3, 2013 at 1:33 PM, Christopher Weeg
<[log in to unmask]> wrote:
> Hello, all --
>
> My name is Chris and I just discovered this Extended Date/Time Format group.
> I'm a recent library school graduate.
>
> I just read the draft specification, which covered many of the permutations
> that I have been thinking of over the last year or two. Very cool.
>
> One other thing that I've thought of and did not *notice* being covered in
> the draft spec:
>
> I wonder if there is a way to represent an algorithmically repeating date
> event? The first examples that come to mind are elections, like the US
> presidential election occurs once every four years (subsequent to some
> originating date, presumably). Considering the algorithm (first Tuesday in
> November?), days of the week would need to built into EDTF, I suppose.
>
> There's also the Olympics. Or how about Easter (in which case one would need
> to incorporate celestial phenomena, i.e. the vernal equinox and the
> occurrence of a full moon...?). You have to re-up your car insurance every 6
> months. Etc., etc.
>
> Anyway, just a thought. I searched the listserv history for discussion of
> this topic and didn't find anything. Not sure whether this topic even fits
> within the scope of EDTF, but once you start getting into discussing
> intervals and multiple dates (5.3.4) it seems like maybe repeating/cyclic
> date events are not too far behind...
>
> Thanks for reading, and for any suggestions or comments you might add.
>
> -- Chris Weeg
>
>

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