Utilities
Hijri and Gregorian Age Calculator
Get your age today in both calendars, the days you have lived and the days left to your next birthday
- Free
- No Signup
- Calculated in your browser
How does it work?
The Hijri and Gregorian age calculator takes your date of birth in either calendar and gives your age today in years, months and days on both calendars, the number of days you have lived, the days left to your next Gregorian and Hijri birthdays, and the weekday you were born on.
How is age calculated?
Your Gregorian age is the gap between your date of birth and today: years, then months, then days. Your Hijri age is worked out the same way after converting both dates to Hijri on the Umm al-Qura calendar — it is not the Gregorian age multiplied by a fixed factor.
Worked example
Born on 15 March 1990 (17 Sha'ban 1410), calculated on 3 November 2026:
- Gregorian age: 36 years, 7 months and 19 days
- Hijri age: 37 years, 9 months and 6 days
- Days lived: 13,382 days
- Next Gregorian birthday: 15 March 2027, in 132 days
- Next Hijri birthday: 17 Sha'ban 1448 (25 January 2027), in 83 days
- Born on a Thursday
Why your Hijri age is higher
A Hijri year is 354 or 355 days, about 11 days shorter than a Gregorian year. Every 33 Gregorian years match roughly 34 Hijri years, which is also why your Hijri birthday comes about 11 days earlier on the Gregorian calendar each year.
Born on 29 February or on the 30th of a Hijri month
A common year has no 29 February, so people born that day complete the year on 1 March, and the countdown to their next birthday follows that. Someone born on day 30 of a Hijri month completes the year on the first of the next month when that month has 29 days.
When you need it
- Finding your Hijri age when a form or document asks for it.
- Converting a Hijri date of birth on a Saudi national ID to Gregorian and reading the age from it.
- Finding the weekday you were born on.
- Counting the days left to your next birthday in both calendars.
To compare two ages and see who is older and by how much, use the age difference calculator. To get an age on a date other than today, enter both dates in the time between two dates calculator. To convert any date between the calendars, use the Hijri and Gregorian date converter.
If the dates belong to your staff's contracts and papers, Snad's HR software holds contract, title, salary and documents in one file.
Frequently Asked Questions
How do I calculate my age in Hijri?
Enter your date of birth in Hijri or Gregorian and the tool works out your age on both calendars. Your Hijri age is the gap between your date of birth and today's date in Hijri, on the Umm al-Qura calendar.
Why is my Hijri age higher than my Gregorian age?
Because a Hijri year is about 11 days shorter, so more Hijri years pass in the same time: roughly 34 Hijri years for every 33 Gregorian years.
How many days have I lived?
The tool shows the number of days from your birth to today. It is the same count on both calendars, because the calendars differ in the length of their years and months, not in the days themselves.
When is my next Hijri birthday?
The tool shows the date of your next Hijri birthday, the days left until it and the age you turn on it. It falls about 11 days earlier on the Gregorian calendar every year.
How is the age of someone born on 29 February calculated?
In a common year they complete the year on 1 March, and in a leap year on 29 February itself. The tool works out their age and next birthday that way.
Can I calculate an age on a date other than today?
This tool calculates age as of today. For an age on another date, enter the date of birth and that date in the time between two dates calculator.
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When you run the same sum every day
Converting dates on contracts and documents? In Snad you get an alert 30 days before an employee's contract ends.
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- Human resources A file per employee with contract and leave, and a payroll run that calculates absence, lateness and overtime from attendance.