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

public final class Test {

    private static void testParse(Locale locale, String date) {
        try {
            new SimpleDateFormat("EEE MMM d hh:mm:ss z yyyy", locale).parse(date);
            System.out.println(String.format(Locale.ENGLISH, "OK parsing '%s' in locale '%s'", date, locale));
        } catch (ParseException pe) {
            System.out.println(String.format(Locale.ENGLISH, "ERROR parsing '%s' in locale '%s': %s", date, locale, pe.toString()));
        }
    }

    public static void main(String[] args) {
        for (String id : TimeZone.getAvailableIDs()) {
            System.out.println("Testing time zone: " + id);
            TimeZone.setDefault(TimeZone.getTimeZone(id));

            // some date today:
            String date1 = new Date(1440358930504L).toString();
            testParse(Locale.ENGLISH, date1);
            testParse(Locale.US, date1);
            testParse(Locale.ROOT, date1);
            // half a year back to hit DST difference:
            String date2 = new Date(1440358930504L - 86400000L * 180).toString();
            testParse(Locale.ENGLISH, date2);
            testParse(Locale.US, date2);
            testParse(Locale.ROOT, date2);
        }
    }

}