Example usage for java.util Calendar HOUR_OF

Introduction

In this page you can find the example usage for java.util Calendar HOUR_OF_DAY.

Prototype

int HOUR_OF_DAY

To view the source code for java.util Calendar HOUR_OF_DAY.

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Document

Field number for get and set indicating the hour of the day.

Usage

From source file:Main.java

public static boolean isValidDate() {
    Calendar calendar = Calendar.getInstance();
    int hours = calendar.get(Calendar.HOUR_OF_DAY);
    if (hours > 7) {
        return true;
    }/*from w w  w.  j ava 2  s. c  om*/
    return false;
}

From source file:Main.java

public static Calendar getFirstDayOfWeek() {
    Calendar cal = Calendar.getInstance();
    cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
    cal.set(Calendar.HOUR_OF_DAY, 0);
    cal.set(Calendar.MINUTE, 0);//from   w  w  w .  jav  a  2s .com
    cal.set(Calendar.SECOND, 0);
    cal.set(Calendar.MILLISECOND, 0);
    return cal;
}

From source file:Main.java

public static Calendar getTodayAt(int hours) {
    Calendar today = Calendar.getInstance();
    Calendar calendar = Calendar.getInstance();
    calendar.set(Calendar.HOUR_OF_DAY, hours);
    return calendar;
}

From source file:Main.java

public static Date dayBegin(Date date) {
    Calendar c = Calendar.getInstance();
    c.setTime(date);/*from   www.  j  a  v a  2s. c o m*/
    c.set(Calendar.HOUR_OF_DAY, 0);
    c.set(Calendar.MINUTE, 0);
    c.set(Calendar.SECOND, 0);
    c.set(Calendar.MILLISECOND, 0);
    return c.getTime();
}

From source file:Main.java

public static long getBeginOfCurrentDateInMillis() {
    Calendar calendar = Calendar.getInstance();
    calendar.clear(Calendar.HOUR);
    calendar.clear(Calendar.HOUR_OF_DAY);
    calendar.clear(Calendar.MINUTE);
    calendar.clear(Calendar.SECOND);
    calendar.clear(Calendar.MILLISECOND);
    return calendar.getTimeInMillis();
}

From source file:Main.java

public static Date getNearestFutureDateWithHour(int hourOfDay) {
    Calendar cal = Calendar.getInstance();
    int hourOfDayNow = cal.get(Calendar.HOUR_OF_DAY);
    if (hourOfDayNow > hourOfDay) {
        cal.add(Calendar.DAY_OF_MONTH, 1);
    }/*from   w w  w .j  a  v  a2s .c o  m*/

    cal.set(Calendar.HOUR, hourOfDay);
    return cal.getTime();
}

From source file:Main.java

private static long getTimeInMillis() {
    Calendar calendar = Calendar.getInstance();
    calendar.setTimeInMillis(System.currentTimeMillis());
    calendar.set(Calendar.HOUR_OF_DAY, 21);
    calendar.set(Calendar.MINUTE, 0);
    calendar.set(Calendar.SECOND, 0);
    return calendar.getTimeInMillis();
}

From source file:Main.java

public static Calendar tomorrow() {
    Calendar date = new GregorianCalendar();
    date.add(Calendar.DATE, 1);//from w  w w. j  a v a 2 s  .  c  om
    date.set(Calendar.HOUR_OF_DAY, 0);
    date.set(Calendar.MINUTE, 0);
    date.set(Calendar.SECOND, 0);
    date.set(Calendar.MILLISECOND, 0);
    return date;
}

From source file:Main.java

public static long endOfThisMonth() {
    Calendar cal = Calendar.getInstance();
    cal.set(Calendar.DAY_OF_MONTH, 1);
    cal.set(Calendar.HOUR_OF_DAY, 23);
    cal.set(Calendar.MINUTE, 59);
    cal.set(Calendar.SECOND, 59);
    cal.set(Calendar.MILLISECOND, 999);
    cal.add(Calendar.MONTH, 1);/* w ww .  ja v a2 s. c o  m*/
    cal.add(Calendar.DATE, -1);
    Date date = cal.getTime();
    return date.getTime();
}

From source file:Main.java

public static Calendar roundMinutesAndHour(Calendar time, int TIME_PICKER_INTERVAL) {
    int minute = time.get(Calendar.MINUTE);
    int hour = time.get(Calendar.HOUR_OF_DAY);

    if (time.get(Calendar.MINUTE) % TIME_PICKER_INTERVAL != 0) {
        int minuteFloor = minute - (minute % TIME_PICKER_INTERVAL);
        minute = minuteFloor + (minute == minuteFloor + 1 ? TIME_PICKER_INTERVAL : 0);
        if (minute == 60) {
            hour++;// www  . jav  a2  s  .c  o  m
            minute = 0;
        }
    }

    time.set(Calendar.HOUR_OF_DAY, hour);
    time.set(Calendar.MINUTE, minute);
    return time;
}

Example usage for java.util Calendar HOUR_OF_DAY

Introduction

Prototype

Document

Usage