[racket-dev] racket/date, SRFI-19, date construction

iauCal2jd gives 2400000.5 +56305.0 (=2456305.5) which is the correct
answer (of course!)




2013/1/13, Marco Maggi <marco.maggi-ipsu at poste.it>:
> Pierpaolo Bernardi wrote:
>> You may  want to look  instead at (the time  related parts
>> of) SOFA (www.iausofa.org).
>
> I have libtoolised SOFA:
>
>            <https://github.com/marcomaggi/atsofa>
>  <http://code.google.com/p/libtoolisations/downloads/list>
>
> but the single  test file I have included fails!!!   Or I am
> understanding nothing... which is also possible.
>
>   According to calculators on the Net, the Julian day number
> for 2013/01/13  is 2456306;  but the  function "iauCal2jd()"
> gives me 2455939.5.
>
>   Damn!  Damn!  Damn!  Time to lunch.
> --
> Marco Maggi
>

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