Official Date Conversion Between Hijri and Gregorian (Umm al-Qura Standard)
The Kingdom of Saudi Arabia utilizes the Umm al-Qura Astronomical Calendar as the standard for civil, religious, and historical date tracking.
Precision Algorithmic Conversion
Converting between Gregorian and Hijri dates requires precise astronomical calculations based on the lunar crescent sighting coordinates for Mecca. Our engine computes dates instantly in both directions with exact weekday alignment.
Frequently Asked Questions
Our converter strictly follows the Umm al-Qura astronomical tables authorized by the Saudi government.
Yes, the tool supports both historical dates and future dates within official calendar range.