Hijri age calculator from a Gregorian date

Your Hijri age is higher than your Gregorian age because the Hijri year is about 11 days shorter; this tool works it out to the day.

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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.

How to use it

  1. Enter date of birth and age on this date.
  2. The result appears straight away and updates as you edit.
  3. Copy the result, or copy a link that keeps the same values to share it.

How it is calculated

Both dates are converted to the Umm al-Qura Hijri calendar, then the whole Hijri months between them and the remaining days are counted. A Hijri month has 29 or 30 days.

Example

Inputs: Date of birth = 1990-05-15, Age on this date = 2026-09-30. Result: Your Hijri age: 37 years, 5 months, 28 days; Hijri years: 37; Months: 5.

Limits and caveats

  • It follows the Umm al-Qura calendar and can differ by one day from calendars based on moon sighting.
  • Available for dates from 1901 to 2076.

Questions about this tool

Why is my Hijri age higher?

A Hijri year is about 354 days against 365 Gregorian days, so you gain an extra Hijri year roughly every 33 years.

What is the Umm al-Qura calendar?

It is the official Hijri calendar of Saudi Arabia, computed astronomically in advance.

My birth date is in Hijri. What should I use?

Use the Hijri birth date age calculator, which takes the Hijri day, month and year directly.