Hijri ↔ Gregorian Date Converter

Convert any date between the Islamic (Hijri) calendar and the Gregorian calendar in either direction. Hijri month names are shown in Urdu script alongside the numeric date.

Note: this uses the standard calculated (tabular) Islamic calendar. Locally observed Hijri dates can differ by a day depending on regional moon sighting.

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How to Use This Tool

  1. Choose a direction. Click "Gregorian → Hijri" to convert a regular calendar date into the Islamic calendar, or "Hijri → Gregorian" to go the other way.
  2. Enter the date. Fill in the day, month, and year fields for whichever calendar you're converting from.
  3. Click Convert. The result appears immediately below, showing the day, Hijri month name in Urdu, and year (or the Gregorian equivalent, depending on direction).

Why Hijri Dates Shift Every Year

The Hijri calendar is purely lunar, built from twelve months that each follow the moon's roughly 29.5-day cycle, totaling about 354 days per year — eleven days shorter than the 365-day Gregorian solar year. This is why Hijri dates drift earlier relative to the Gregorian calendar each year, and why occasions like Ramadan move through different seasons over a roughly 33-year cycle. Our full explainer on how the Hijri calendar works covers the structure and the twelve month names in more detail.

A Note on Accuracy

This converter uses the standard calculated (tabular) Islamic calendar, a mathematical approximation of the lunar cycle that's widely used for general reference, software systems, and historical date conversion. It is not the same as the locally observed Hijri calendar used for religious purposes in many communities, where the start of each month is confirmed by an actual moon sighting and can occasionally fall a day earlier or later than the calculated date. For religious observance — particularly the start of Ramadan or Eid — always confirm the date with your local mosque or national religious authority rather than relying solely on a calculated converter.

Common Reasons People Use This Converter

People reach for a Hijri converter for a range of practical reasons: checking the Hijri equivalent of a birthday or anniversary, working out the Gregorian date of a historical event recorded in the Islamic calendar, planning ahead for religious occasions that shift earlier each Gregorian year, or filling in a Hijri date field on an official form or document. Genealogists and historians researching family records that were dated using the Hijri calendar also use converters like this to cross-reference dates against Gregorian-dated sources.

Reading the Output

When converting to Hijri, the result shows the day, the month name written in Urdu (one of the twelve months such as محرم, رمضان, or ذوالحجہ), and the Hijri year. When converting from Hijri to Gregorian, the result shows the standard day, month name, and year in the familiar Western format. If you need the Hijri month name in English or Arabic transliteration instead of Urdu script, our Hijri calendar guide includes a full table of all twelve month names with their meanings.

Frequently Asked Questions

The tool is designed for Gregorian years roughly between 1900 and 2100, and corresponding Hijri years roughly between 1300 and 1600. Dates far outside this range may still calculate but haven't been specifically tested.
Because this tool uses calculated dates rather than physical moon sighting, which is how many communities determine the actual start of a Hijri month for religious purposes. A one-day difference between calculated and observed dates is common and expected.
For general reference, yes. For precise historical or genealogical research, be aware that historical Hijri record-keeping sometimes used regional variations in calendar calculation, so a calculated modern converter may not perfectly match every historical source.

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