Java date and time calculator for operations on business days and working time such as:
- check if a date is a business day or a holiday,
- get next business day,
- get business day after (before) a given date,
- count business days between given dates,
- add (subtract) business days to (from) a given date,
- check if given time is working time,
- next EOD, next EOD after (before) given time,
- add (subtract) working hours to given time.
...
├── calendar # business days
│ ├── BusinessCalendar
│ ├── BusinessCalendarFactory # factory for national business calendars
│ └── ... # place for national business calendar implementations
├── holiday # holiday definitions
│ ├── CronHoliday
│ ├── EasterBasedHoliday
│ ├── FixedYearlyHoliday
│ ├── Holiday
│ ├── MovableYearlyHoliday
│ └── YearlyHoliday
├── schedule # work time
│ ├── BusinessDay # start/end of work time
│ └── BusinessSchedule # BusinessTimeCalculator implementation
├── BusinessDayCalculator # business days methods
└── BusinessTimeCalculator # business time methods
BusinessCalendarFactory factory = new AmericanBusinessCalendarFactory();
BusinessCalendar calendar = factory.getInstance();
LocalDate nbd = calendar.nextBusinessDay();
LocalDate next5Days = calendar.plus(LocalDate.now(), 5);
int workingDays2016 = calendar.businessDaysBetween(LocalDate.of(2016, 1, 1), LocalDate.of(2016, 12, 31));BusinessSchedule schedule = new BusinessSchedule(calendar);
boolean workNow = schedule.isBusinessTime(LocalDateTime.now());
LocalDateTime next16h = schedule.plus(LocalDateTime.now(), 16);
LocalDateTime next15min = schedule.plus(LocalDateTime.now(), Duration.ofMinutes(15));BusinessCalendar calendar = new BusinessCalendar();
calendar.addHoliday(CronHoliday.SATURDAY);
calendar.addHoliday(CronHoliday.SUNDAY);
calendar.addHoliday(FixedYearlyHoliday.NEW_YEAR);
calendar.addHoliday(FixedYearlyHoliday.CHRISTMAS);
calendar.addHoliday(EasterBasedHoliday.EASTER);
calendar.addHoliday(EasterBasedHoliday.EASTER_MONDAY);
// Valentine's Day
calendar.addHoliday(new FixedYearlyHoliday(Month.FEBRUARY, 14));
// and every first thursday in month
calendar.addHoliday(new CronHoliday("* * * ? * THU#1 *"));Let's assume that your company works from 7am to 3pm except fridays, when it starts at 9am and closes at 2pm.
BusinessSchedule schedule = new BusinessSchedule(calendar);
schedule.setDefaultBusinessDay(new BusinessDay(LocalTime.of(7, 0), LocalTime.of(15, 0)));
schedule.putBusinessDay(DayOfWeek.FRIDAY, new BusinessDay(9, 0, 14, 0));
React
Typescript
Django
Laravel
Facebook
Microsoft
Google
Alibaba
D3
Tencent