code: function (){
              var offset = parseInt(self._utcoffset());
              var minus = false;
              if (offset < 0)
              {
                  minus = true;
                  offset = -offset;
              }
  
              var minutes = offset % 60;
              var hours = (offset - minutes) / 60;
              offset = self._zeropad(hours) + self._zeropad(minutes);
              if (minus) offset = "-"+offset;
              else offset = "+"+offset;
  
              return offset;
          }
docs: O UTC offset