From: Kenosis <kenosis@...>
Date: 2007-01-03T04:15:05+09:00
Subject: Re: Detecting holidays


Daniel Berger wrote:
> Bira wrote:
> > On 1/2/07, Daniel Berger <djberg96@gmail.com> wrote:
> > > Hi all,
> > >
> > > Well, it took seven years, but I've finally been annoyed enough by
> > > reports failing on national holidays to say something.  Report writers
> > > know the routine:
> >
> > <...>
> >
> > The best way I know of checking for holidays is somehow keeping a
> > record of which dates are holidays in a given year. It can be a
> > database table, or some sort of configuration files when that isn't
> > possible.
> >
> > This record would have to be mantained manually, but it would be just
> > a simple case of editing the table/file every time you buy a new
> > calendar :).
>
> For fixed holidays, sure - I think that's what Date::Calc does (i.e.
> read an external file in, base on the selected country).  But for
> floating holidays I would prefer a general algorithm.  Surely someone
> can come up with a general algorithm for "3rd Thursday in November",
> etc.  I'll bet the Rails folks already have something, but I haven't
> looked.
>
> Regards,
>
> Dan
And whatever solution, it needs to be dynamically updatable to account
for suddenly announced national "holidays", like today happens to be -
doh!

Ken