Java 8 – HijrahDate, How to calculate the Ramadan date

Ramadan is the 9th month of the Islamic calendar, the entire month.

1. HijrahDate -> Ramadan 2016

Full example to calculate the start and end of the Ramadan 2016

TestHijrahDate.java

package com.favtuts.time;

import java.time.LocalDate;
import java.time.chrono.HijrahDate;
import java.time.temporal.ChronoField;
import java.time.temporal.TemporalAdjusters;

public class HijrahDateRamadan {

    public static void main(String[] args) {
        convertHijrahDateToRamadan2016();
    }

    static void convertHijrahDateToRamadan2016() {
        //first day of Ramadan, 9th month
        HijrahDate ramadan = HijrahDate.now()
                .with(ChronoField.DAY_OF_MONTH, 1).with(ChronoField.MONTH_OF_YEAR, 9);
        System.out.println("HijrahDate : " + ramadan);

        //HijrahDate -> LocalDate
        System.out.println("\n--- Ramandan 2016 ---");
        System.out.println("Start : " + LocalDate.from(ramadan));

        //until the end of the month
        System.out.println("End : " + LocalDate.from(ramadan.with(TemporalAdjusters.lastDayOfMonth())));
    }
}

Output

HijrahDate : Hijrah-umalqura AH 1443-09-01

--- Ramandan 2016 ---
Start : 2022-04-02
End : 2022-05-01

Download Source Code

$ git clone https://github.com/favtuts/java-core-tutorials-examples

$ cd java-basic/time

References

1. Wikipedia – Ramadan (calendar month)
2. HijrahDate JavaDoc