Convert day of year to day of month

import java.util.Calendar;

public class Main {
  public static void main(String[] args) {
    Calendar cal = Calendar.getInstance();
    cal.set(Calendar.YEAR, 2007);
    cal.set(Calendar.DAY_OF_YEAR, 180);

    System.out.println("Calendar date is: " + cal.getTime());

    int dayOfMonth = cal.get(Calendar.DAY_OF_MONTH);

    System.out.println("Calendar day of month: " + dayOfMonth);

    int dayOfWeek = cal.get(Calendar.DAY_OF_WEEK);

    System.out.println("Calendar day of week: " + dayOfWeek);
  }
}