slaDjcal -

SYNOPSYS

PARAMETERS

int ndp

double djm

int *iymdf

int *j

DESCRIPTION

  Modified Julian Date to Gregorian calendar, expressed
  in a form convenient for formatting messages (namely
  rounded to a specified precision, and with the fields
  stored in a single array).

Given

     ndp      int       number of decimal places of days in fraction
     djm      double    Modified Julian Date (JD-2400000.5)

Returned

     iymdf    int[4]    year, month, day, fraction in Gregorian calendar
     *j       long      status:  nonzero = out of range

  Any date after 4701BC March 1 is accepted.

  Large ndp values risk internal overflows.  It is typically safe
  to use up to ndp=4.

  The algorithm is derived from that of Hatcher 1984 (QJRAS 25, 53-55).

  P.T.Wallace   Starlink   31 October 1993

SEE ALSO

• slalib.3