Set Date to Noon

import java.util.Calendar;
import java.util.Date;

public class Main {
  public static Date getNoonOfDay(Date day, Calendar cal) {
      if (day == null) day = new Date();
      cal.setTime(day);
      cal.set(Calendar.HOUR_OF_DAY, 12);
      cal.set(Calendar.MINUTE,      cal.getMinimum(Calendar.MINUTE));
      cal.set(Calendar.SECOND,      cal.getMinimum(Calendar.SECOND));
      cal.set(Calendar.MILLISECOND, cal.getMinimum(Calendar.MILLISECOND));
      return cal.getTime();
  }
}