中央標準時間(CST)轉換成普通時間格式程式碼如下：

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Locale;

/**
 * CST時間格式轉換
 *
 * @author yaohucaizi
 */
public class CSTFormat {

    public static void main(String[] args) throws ParseException {
        String s = "Thu Jul 22 23:58:32 CST 2013";
        DateFormat df = new SimpleDateFormat("EEE MMM dd HH:mm:ss 'CST' yyyy", Locale.US);
        DateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        System.out.println(sdf.format(df.parse(s)));
    }
}
 

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;

/**
 *
 * @author yaohucaizi
 */
public class NewClass {
    
    public static void main(String[] args) throws ParseException {
        Date date = new Date();
        DateFormat cstFormat = new SimpleDateFormat();
        DateFormat gmtFormat = new SimpleDateFormat();
        TimeZone gmtTime = TimeZone.getTimeZone("GMT");
        TimeZone cstTime = TimeZone.getTimeZone("CST");
        cstFormat.setTimeZone(gmtTime);
        gmtFormat.setTimeZone(cstTime);
        System.out.println("GMT Time: " + cstFormat.format(date));
        System.out.println("CST Time: " + gmtFormat.format(date));
        System.out.println(new NewClass().getGMT(date));
        System.out.println(new NewClass().getCST(new NewClass().getGMT(date)));
    }
    
    public Date getCST(String strGMT) throws ParseException {
        DateFormat df = new SimpleDateFormat("EEE, d-MMM-yyyy HH:mm:ss z", Locale.ENGLISH);
        return df.parse(strGMT);
    }
    
    public String getGMT(Date dateCST) {
        DateFormat df = new SimpleDateFormat("EEE, d-MMM-yyyy HH:mm:ss z", Locale.ENGLISH);
        df.setTimeZone(TimeZone.getTimeZone("GMT")); // modify Time Zone. 
        return (df.format(dateCST));
    }
}