slaCaldj -

SYNOPSYS

void slaCaldj(iy, im, id, djm, j)

PARAMETERS

int iy
int im
int id
double *djm
int *j

DESCRIPTION 


  Gregorian calendar to Modified Julian Date.

  (Includes century default feature:  use slaCldj for years
   before 100AD.)

Given

     iy,im,id   int      year, month, day in Gregorian calendar

Returned

     *djm       double   Modified Julian Date (JD-2400000.5) for 0 hrs
*j int status 
                           0 = ok
                           1 = bad year   (MJD not computed)
                           2 = bad month  (MJD not computed)
                           3 = bad day    (MJD computed)

  Acceptable years are 00-49, interpreted as 2000-2049,
                       50-99,     "       "  1950-1999,
                       100 upwards, interpreted literally.

Called 

 slaCldj

  P.T.Wallace   Starlink   21 October 1993

SEE ALSO