GregorianCalender

import java.util.Calendar;
import java.util.Locale;

public class GregorianCalender {

  public static void main(String[] args) {
    System.out.println("See Java deal with the date the Gregorian calender was introduced:");
    printDates(Locale.GERMANY);
    printDates(Locale.JAPAN);
  }

  private static void printDates(Locale locale) {
    System.out.println("Locale: " + locale);
    Calendar calendar = Calendar.getInstance(locale);
    calendar.set(Calendar.YEAR, 1582);
    calendar.set(Calendar.MONTH, 9);
    calendar.set(Calendar.DAY_OF_MONTH, 2);
    for (int i = 0; i < 5; i++) {
      calendar.add(Calendar.DAY_OF_MONTH, 1);
      System.out.println(calendar.getTime() + " -> " + calendar.getDisplayName(Calendar.DAY_OF_WEEK, Calendar.LONG, Locale.GERMAN));
    }
  }
}