void SetTimeZone(short hour, BYTE minute);
  Property Description  
    Argument hour sets the Hour part of the TimeZone. (Valid Range = -23 to 23)  
    Argument minute sets the Minute part of the TimeZone. (Valid Range = 0 to 59)  
    Description Specifies the TimeZone for this CDateTime to use  
    Remarks Calling ToString("s") be formatted with '+|-hour:minute' on the end of the date.