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Calendar

Umm al-Qura Calendar (Java)

Java implementation of the Umm al-Qura Hijri calendar that integrates with java.util.Calendar, providing accurate Hijri-Gregorian conversion aligned with the official Saudi calendar. Distributed via Maven Central / JitPack. Fills the Java gap for Islamic date handling.

Free Maintained
Open resource ↗ Repository

Quick start

<dependency>
  <groupId>com.github.msarhan</groupId>
  <artifactId>ummalqura-calendar</artifactId>
  <version>1.0.0</version>
</dependency>

Related in Calendar

hijridate (Python)

Python library for accurate Hijri/Gregorian date conversion based on the Umm al-Qura calendar, verified against KACST data. Covers 1343–1500 AH. Zero dependencies, 100% test coverage, actively maintained.
moment-hijri

moment.js plugin for Umm al-Qura Hijri calendar support in JavaScript. Adds Hijri date parsing, formatting, and arithmetic to moment.js. Widely used in web apps requiring Islamic date display.