[talk-au] Mapping road closures...

[Roy Wallace]

On Fri, Jan 1, 2010 at 5:47 PM, John Smith <deltafoxtrot256 at gmail.com> wrote:
>
> The only problem with this scheme is you can't do, first sunday of the
> month for example.

Surely someone in some field has already come across this problem
before - i.e. surely someone's already developed a formal language for
specification of time/date info? Don't have time to search right now,
but if it has been done it would be good to not reinvent the wheel...