HijrahChronology dateEpochDay() method in Java with Example

The dateEpochDay() method of java.time.chrono.HijrahChronology class is used get the local date according to Hijrah calendar system from the Epoch Day.

Syntax:

public HijrahDate dateEpochDay(long epochDay)

Parameter: This method takes the epochDay of type long as a parameter.



Return Value: This method returns the local date according to Hijrah calendar system from the another TemporalAccessor object .

Exception: This method throws DateTimeException if the given epoch day is unable to form structured date.

Below are the examples to illustrate the dateEpochDay() method:

Example 1:

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// Java program to demonstrate
// dateEpochDay() method
  
import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;
  
public class GFG {
    public static void main(String[] argv)
    {
        try {
            // creating and initializing  HijrahDate Object
            HijrahDate hidate = HijrahDate.now();
  
            // getting HijrahChronology used in HijrahDate
            HijrahChronology crono = hidate.getChronology();
  
            // display the result
            System.out.println("current HijrahDate is: "
                               + hidate);
  
            // getting HijrahDate for the
            // given TemporalAccessor object
            // by using date() method
            hidate = crono.dateEpochDay(23456);
  
            // display the result
            System.out.println("\nHijrahDate(accoding "
                               + "to ephochday) is: "
                               + hidate);
        }
        catch (DateTimeException e) {
            System.out.println("passed parameter can"
                               + " not form a date");
            System.out.println("Exception thrown: " + e);
        }
    }
}

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Output:

current HijrahDate is: Hijrah-umalqura AH 1441-05-27

HijrahDate(accoding to ephochday) is: Hijrah-umalqura AH 1456-01-01

Example 2:

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// Java program to demonstrate
// dateEpochDay() method
  
import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;
  
public class GFG {
    public static void main(String[] argv)
    {
        try {
            // creating and initializing  HijrahDate Object
            HijrahDate hidate = HijrahDate.now();
  
            // getting HijrahChronology used in HijrahDate
            HijrahChronology crono = hidate.getChronology();
  
            // display the result
            System.out.println("current HijrahDate is: "
                               + hidate);
  
            // getting HijrahDate for the
            // given TemporalAccessor object
            // by using date() method
            hidate = crono.dateEpochDay(234568);
  
            // display the result
            System.out.println("HijrahDate(accoding "
                               + "to ephochday) is: "
                               + hidate);
        }
        catch (DateTimeException e) {
            System.out.println("\npassed parameter can"
                               + " not form a date");
            System.out.println("Exception thrown: " + e);
        }
    }
}

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Output:

current HijrahDate is: Hijrah-umalqura AH 1441-05-27

passed parameter can not form a date
Exception thrown: java.time.DateTimeException: Hijrah date out of range

Reference: https://docs.oracle.com/javase/9/docs/api/java/time/chrono/HijrahChronology.html#dateEpochDay-long-

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