Islamic Age Calculator
Calculate your age in the Hijri (Islamic) calendar
How to Use Islamic Age Calculator
Enter Gregorian Birth Date
Select your date of birth as recorded in the standard Gregorian calendar.
Calculate
Click calculate to instantly convert your age into the Hijri (Islamic lunar) calendar system.
View Hijri Age & Birth Date
See your age in Hijri years, months, and days, along with your birth date converted to the Hijri format.
Why Use This Tool
The Islamic Hijri calendar is lunar-based, running about 11 days shorter per year than the Gregorian solar calendar — meaning your Hijri age differs meaningfully from your Gregorian age over time. This is essential for religious observances, Islamic documentation, and cultural context, and our calculator handles the complex lunar-to-solar conversion instantly and accurately.
Frequently Asked Questions
How accurate is the Hijri conversion?
Our calculator uses standard astronomical Hijri calendar formulas for a close approximation—actual moon-sighting based dates may vary by 1-2 days.
Why is a Hijri year shorter than a Gregorian year?
The Hijri calendar is lunar-based, with about 354 days per year, roughly 11 days shorter than the 365-day Gregorian solar calendar.
Can I convert my birth date to Hijri format?
Yes, the calculator shows both your current Hijri age and your birth date converted into the Hijri calendar format.
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Last updated: August 21, 2026