I see the expected 11 day gap for the default ChangeDate but when I change it to the English change date, I don't see the expected 12 day gap. Any advice?
Code:
import java.text.DateFormat;
import java.util.*;
public class SetGregorianChangeDate {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		DateFormat df = DateFormat.getDateInstance();
		df.setTimeZone(TimeZone.getTimeZone("GMT"));
...