Returns a Date set just to Noon, to the closest possible millisecond of the day in Java

// ww  w  . j a v a  2 s  .c  o  m
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();
  }

  public static void main(String[] argv) {
    System.out.println(getNoonOfDay(new Date(), Calendar.getInstance()));
  }
}