Java Utililty Methods Day Between

List of utility methods to do Day Between

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Description

The list of methods to do Day Between are organized into topic(s).

Method

intdifferentDaysByMillisecond(Date date1, Date date2)
different Days By Millisecond 
int days = (int) ((date2.getTime() - date1.getTime()) / (1000 * 3600 * 24));
return days;
LongdiffInDays(Date date1, Date date2)
diff In Days 
try {
    SimpleDateFormat sdf = new SimpleDateFormat(DATEFORMAT);
    String lastUpdateInUTCString = sdf.format(date1);
    String nowInUTCString = sdf.format(date2);
    Date lastUpdateInUTC;
    lastUpdateInUTC = stringDateToDate(lastUpdateInUTCString);
    Date nowInUTC = stringDateToDate(nowInUTCString);
    long nowInUTCMilis = nowInUTC.getTime();
...
IntegergetBeteenDays(String begin, String end, String format)
get Beteen Days 
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
Calendar cal = Calendar.getInstance();
cal.setTime(sdf.parse(begin));
long time1 = cal.getTimeInMillis();
cal.setTime(sdf.parse(end));
long time2 = cal.getTimeInMillis();
long between_days = (time2 - time1) / (1000 * 3600 * 24);
return Integer.parseInt(String.valueOf(between_days)) + 1;
...
intgetBetweenDays(long longValue1, long longValue2)
get Between Days 
long betweenDays = ((longValue1 - longValue2) / 1000) / (60 * 60 * 24);
return Math.abs((int) betweenDays);
ListgetBetweenDays(String start, String end)
get Between Days 
List<String> list = new ArrayList<String>();
try {
    Calendar c1 = Calendar.getInstance();
    Calendar c2 = Calendar.getInstance();
    Date d1 = DATE_FORMAT.parse(start);
    Date d2 = DATE_FORMAT.parse(end);
    c1.setTime(d1);
    c2.setTime(d2);
...
ListgetBetweenTwoDayCalender(String startDay, String endDay)
get Between Two Day Calender 
List<String> list = new ArrayList<String>();
if (startDay == null || startDay.equals("")) {
    return null;
if (endDay == null || endDay.equals("")) {
    return null;
SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");
...
DategetDateDiff(Date date, int day)
get Date Diff 
cal.setTime(date);
cal.add(Calendar.DAY_OF_MONTH, day);
Date tmpdate = new Date(cal.getTime().getTime());
return tmpdate;
longgetDateDiff(final Date startDate, final Date endDate)
get Date Diff 
if (startDate != null && endDate != null) {
    final Calendar startCalendar = Calendar.getInstance();
    startCalendar.setTime(startDate);
    final long startDateMiliSeconds = startCalendar.getTimeInMillis();
    final Calendar endCalendar = Calendar.getInstance();
    endCalendar.setTime(endDate);
    final long endDateMiliSeconds = endCalendar.getTimeInMillis();
    final long result = (endDateMiliSeconds - startDateMiliSeconds) / 1000;
...
intgetDateDifference(Date date1, Date date2)
Returns number of days between date1 and date2, such that date1 + days = date2 
int oneDay = 1000 * 60 * 60 * 24;
Calendar cal1 = getCalendarDate(date1);
Calendar cal2 = getCalendarDate(date2);
return (int) ((cal1.getTimeInMillis() - cal2.getTimeInMillis()) / oneDay);
IntegergetDateDifferenceinDays(Date date1, Date date2)
get Date Differencein Days 
if (date1 == null || date2 == null)
    return null;
long diff = 0L;
diff = Math.abs(date1.getTime() - date2.getTime());
long oneDayseconds = getSecondsForDay();
Integer result = (int) (diff / oneDayseconds);
return result;