Date.getDate() incorrect in Korean local

Today is 1997/07/07 in Korea,
But Date.getDate() says today is "1997/07/06"
 
Look at my shell capture.
I use sun's Enterprize work station,
My Os is sun solaris.
 
[lion @ /user2/home/susie/IB-Server:8] cat TimeTest.java
import java.util.*;
public class TimeTest {
        public static void main(String args[]) {
                Date date = new Date(System.currentTimeMillis());
                System.out.println(date.getDate());
        }
}
[lion @ /user2/home/susie/IB-Server:9] javac TimeTest.java
Note: TimeTest.java uses a deprecated API. Recompile with "-deprecation" for details.
1 warning
[lion @ /user2/home/susie/IB-Server:10] java TimeTest
6
[lion @ /user2/home/susie/IB-Server:11] date
Mon Jul 7 11:50:29 KST 1997
 
 
My email address is ###@###.###
I tested JDK 1.1.1 and JDK 1.1.3
 
but both two versions say today is "1997/07/06"