public static boolean isSameDay(Date date1, Date date2) {
    Calendar calendar1 = Calendar.getInstance();
    calendar1.setTime(date1);
    Calendar calendar2 = Calendar.getInstance();
    calendar2.setTime(date2);
    return calendar1.get(Calendar.YEAR) == calendar2.get(Calendar.YEAR)
      && calendar1.get(Calendar.MONTH) == calendar2.get(Calendar.MONTH)
      && calendar1.get(Calendar.DAY_OF_MONTH) == calendar2.get(Calendar.DAY_OF_MONTH);
}