Hijri to Gregorian Converter

Converting a Hijri date to Gregorian needs the lunar month lengths — a Hijri year is about 354 days, so the mapping shifts every year and cannot be done with simple arithmetic.

This free converter takes a Hijri day, month and year and returns the Gregorian date using the Umm al-Qura astronomical conversion. The reverse direction (Gregorian to Hijri) is available on the Hijri Date Converter page.

Important: Regional crescent sighting can shift the actual Hijri date by one day — confirm religious dates with your local mosque.

Formula

toGregorian(hy, hm, hd) → { gy, gm, gd }

Example

1 Ramadan 1447 → Gregorian 18 February 2026 (Wednesday).

How to Use

  1. 1. Enter the Hijri day.
  2. 2. Select the Hijri month and enter the year.
  3. 3. Click "Convert to Gregorian".

Frequently Asked Questions

How do I convert Hijri to Gregorian?

Enter the Hijri day, month and year — the tool returns the Gregorian date instantly.

Is the conversion exact?

It uses the astronomical Umm al-Qura mapping; local sighting can differ by a day.

Can I convert Gregorian to Hijri?

Yes — use the Hijri Date Converter page for the reverse direction.

Is my data stored?

No — conversion happens in your browser.

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Author: Islamic Editorial Team Reviewed by: Islamic Editorial Team Last updated: 2026-09-16

This page was reviewed for accuracy by the Islamic editorial team. Our editorial process follows our editorial policy to ensure reliable, up-to-date conversion tools and reference content.