How conversion works
The Gregorian calendar follows fixed solar rules; the Hijri calendar is lunar, with months of 29 or 30 days. There is no fixed offset between them, so conversion needs a table of when each Hijri month begins. We use Umm al-Qura, the calendar used for civil purposes in Saudi Arabia, as provided by the ICU library in modern browsers, and we test the round trip for every day from 1300 to 1600 AH.
Moon sighting vs Umm al-Qura
According to Umm al-Qura, Ramadan 1447 AH begins on 18 February 2026 and has 30 days, and the Hijri year 1448 begins on 16 June 2026. Official announcements for Ramadan, Shawwal and Dhu al-Hijjah follow moon sighting and may differ by a day.
Month table
Each conversion shows the full month on the calendar you entered, with the matching date on the other calendar and the weekday for every day; Fridays and Saturdays are dimmed. Step through months to plan around Ramadan or the Hijri year end.
Examples
| Hijri | Gregorian | Weekday |
|---|---|---|
| 26 Dhu al-Qadah 1419 AH | 15 March 1999 | Monday |
| 24 Ramadan 1420 AH | 1 January 2000 | Saturday |
| 1 Ramadan 1447 AH | 18 February 2026 | Wednesday |
Limitations
Conversion is exact within 1300–1600 AH; outside it results are approximate. Dates on older documents may follow local moon sighting and differ by a day. For official matters, the date on the document prevails. To calculate your age in Hijri directly, use the Hijri Age Calculator.
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