Converting Julian dates

[John Esak]

>
> > Sounds to me like this "Julian date" is simply a count of
> > days, starting at 1-Jan-1900.  Add that number to
> > "12/31/1899" and you get "02/03/2004".
> >
> Thanks, that did it.
>
> Richard Kreiss

Sheesh, did what???

The julian date I know about... is the number of days from the start of the
year, any year.  As in

   date +%j

   for today gives 317

Ken's question made most sense... what type of Julian value data are you
talking about.  And what is this about 1-Jan-1900???

John