the calendar to 'MIXED'
      %
      ITEM  = 'CALENDAR';
      VALUE = 'MIXED';

      <a href="cspice_timdef_set.html">cspice_timdef_set</a>( ITEM, VALUE )

      %
      % Retrieve the time definition settings.
      %
      for i=1:numel(ITEMS)

         value = <b>cspice_timdef_get</b>( ITEMS(i) );
         fprintf( '%s -&gt; %s\n',  char(ITEMS(i)), value )

      end

   MATLAB outputs:

      CALENDAR -&gt; MIXED
      SYSTEM -&gt; UTC

</pre><h4><a name="Particulars">Particulars</a></h4><pre>

   Th