Draft profile of ISO 8601

Misha Wolf misha.wolf at reuters.com
Thu Jun 26 20:11:37 UTC 1997

Pete Ciuffetti has given me permission to quote his private mail:

> In your levels of granularity, what do you think about allowing year-only,
> "YYYY" and year-month "YYYY-MM".  This would help solve a need I perceive
> in our database design at SilverPlatter.  Most of our records are
> bibliographic and they specify the date of publication for some described
> item like a book or journal.  Typically this is just a year, like "1997" or
> it is a year and month, "Feb 1997",  sometimes a day is specified.
> In my metadata, I'd like to store whatever granularity that makes sense for
> the published item and I would like all the dates to conform to a standard.
> But no standard seems to consider these broader levels of granularity.

ISO 8601 does.  I would be very happy to add these options to the profile.

> Also, in these broad levels for comparison purposes, I suggest implied
> values would be 01 for an unspecified month, and 01 for an unspecified day.

For the moment, I have backed away from suggesting how dates of differing
granularities be compared, as it is contentious.

> Regards,
> Pete Ciuffetti
> SilverPlatter

Misha Wolf            Email: misha.wolf at reuters.com     85 Fleet Street
Standards Manager     Voice: +44 171 542 6722           London EC4P 4AJ
Reuters Limited       Fax  : +44 171 542 8314           UK

Any views expressed in this message are those of the individual  sender,
except  where  the  sender  specifically  states them to be the views of
Reuters Ltd.

More information about the tz mailing list