 specify the time zone of Calcutta you
   would specify the time zone to be UTC+5:30. To specify the
   time zone of Newfoundland use the time zone UTC-3:30.

   To set a default time zone, select one of the &quot;built-in&quot; U.S.
   zones or construct an offset as discussed above. Then make the
   call

      <a href="cspice_timdef_set.html">cspice_timdef_set</a>( 'ZONE', value );

   If you &quot;GET&quot; a 'ZONE' it will either be blank, or have the
   form &quot;UTC+/-HR[:MN]&quot;

   Note that suc