Java Check if ZonedDateTime is Week Day or Weekend Day

Tags: Java ZonedDateTime DayOfWeek DateUtil

In this Java tutorial, we learn how to check if a given ZonedDateTime object is a week day or weekend day in Java programming language.

How to check if ZonedDateTime is week day or weekend day in Java

In this first step, we create a new Java class named DateUtil, and add these two static methods.

  • isWeekDay(ZonedDateTime zonedDateTime) to check if a given ZonedDateTime value is a week day or not.
  • isWeekendDay(ZonedDateTime zonedDateTime) to check if a given ZonedDateTime value is a weekend day or not.

DateUtil.java 

import java.time.DayOfWeek;
import java.time.ZonedDateTime;

public class DateUtil {

    /**
     * This method to check if a ZonedDateTime value is a week day or not.
     * @param zonedDateTime
     * @return
     */
    public static boolean isWeekDay(ZonedDateTime zonedDateTime) {
        DayOfWeek dayOfWeek = zonedDateTime.getDayOfWeek();
        return (dayOfWeek != DayOfWeek.SATURDAY)
                && (dayOfWeek != DayOfWeek.SUNDAY);
    }

    /**
     * This method to check if a ZonedDateTime value is a weekend day or not.
     * @param zonedDateTime
     * @return
     */
    public static boolean isWeekendDay(ZonedDateTime zonedDateTime) {
        DayOfWeek dayOfWeek = zonedDateTime.getDayOfWeek();
        return (dayOfWeek == DayOfWeek.SATURDAY)
                || (dayOfWeek == DayOfWeek.SUNDAY);
    }
}

In the following example Java code, we learn how to use the above static methods to check ZonedDateTime values whether it is week day or weekend day in Java program.

CheckZonedDateTimeWeekDayAndWeekendExample.java 

import java.time.ZonedDateTime;

public class CheckZonedDateTimeWeekDayAndWeekendExample {
    public static void main(String... args) {
        ZonedDateTime zonedDateTime1 = ZonedDateTime.parse("2022-08-21T08:15:30+10:00[Australia/Sydney]");
        ZonedDateTime zonedDateTime2 = ZonedDateTime.parse("2022-08-22T08:15:30+10:00[Australia/Sydney]");

        // Check if an ZonedDateTime is Week Day or not
        boolean isWeekDay1 = DateUtil.isWeekDay(zonedDateTime1);
        boolean isWeekDay2 = DateUtil.isWeekDay(zonedDateTime2);

        // Check if an ZonedDateTime is Weekend Day or not
        boolean isWeekend1 = DateUtil.isWeekendDay(zonedDateTime1);
        boolean isWeekend2 = DateUtil.isWeekendDay(zonedDateTime2);

        System.out.println("zonedDateTime1: " + zonedDateTime1);
        System.out.println("zonedDateTime2: " + zonedDateTime2);

        System.out.println("\nzonedDateTime1 is week day: " + isWeekDay1);
        System.out.println("zonedDateTime2 is week day: " + isWeekDay2);

        System.out.println("\nzonedDateTime1 is weekend day: " + isWeekend1);
        System.out.println("zonedDateTime2 is weekend day: " + isWeekend2);
    }
}
The output as below. 
zonedDateTime1: 2022-08-21T08:15:30+10:00[Australia/Sydney]
zonedDateTime2: 2022-08-22T08:15:30+10:00[Australia/Sydney]

zonedDateTime1 is week day: false
zonedDateTime2 is week day: true

zonedDateTime1 is weekend day: true
zonedDateTime2 is weekend day: false

Happy Coding 😊

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