String date = "Fri Feb 24 15:00:00 CST 2012";
        String pattern = "EEE MMM dd hh:mm:ss zzz yyyy";
        
        SimpleDateFormat f = new SimpleDateFormat(pattern);
        
        SimpleDateFormat f2 = new SimpleDateFormat("yyyy-MM-dd");
        System.out.println(f2.format(f.parse(date)));