Java Calculate Number of Weeks Between two OffsetDateTime

Tags: Java OffsetDateTime ChronoUnit Java 8

In this Java core tutorial, we learn how to calculate the number of weeks between two OffsetDateTime objects using the java.time.temporal.ChronoUnit class in Java programming language.

How to get number of weeks between two OffsetDateTime in Java

In Java program, with given start and end OffsetDateTime values we can use the ChronoUnit.WEEKS.between() method to calculate the number of weeks values between them as the following example Java code.

WeekBetweenOffsetDateTimeExample.java

import java.time.OffsetDateTime;
import java.time.temporal.ChronoUnit;

public class WeekBetweenOffsetDateTimeExample {
    public static void main(String... args) {
        OffsetDateTime startOffsetDateTime = OffsetDateTime.parse("2022-07-01T07:00:00.00+07:00");
        OffsetDateTime endOffsetDateTime = OffsetDateTime.parse("2022-08-13T07:00:00.00+07:00");

        // Calculate Number of Weeks Between two OffsetDateTime
        long numberOfWeeks = ChronoUnit.WEEKS.between(startOffsetDateTime, endOffsetDateTime);

        System.out.println(String.format("Number of weeks between %s and %s is %d",
                startOffsetDateTime,
                endOffsetDateTime,
                numberOfWeeks));
    }
}
The output as below.
Number of weeks between 2022-07-01T07:00+07:00 and 2022-08-13T07:00+07:00 is 6

Happy Coding 😊

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