Gregorian to Hijri (Islamic Calendar) Converter

Enter a Gregorian date to convert it into the Islamic (Hijri) calendar, with the month name and leap-year status shown.

Input

Gregorian date

YYYY/MM/DD

Pick a Gregorian date and it is converted to the Hijri date using the arithmetic tabular method (11 leap years every 30 years). The result may differ by 1-2 days from calendars based on actual moon sighting.

Result

Enter a Gregorian date.

How it works

Enter a Gregorian (Western) date and it is converted to the matching date in the Hijri (Islamic) calendar.
The conversion runs through the Julian Day Number (JDN), and the Hijri side is computed with the arithmetic tabular method (11 leap years placed in each 30-year cycle).
The Hijri calendar is a lunar calendar based on the phases of the moon. A year lasts about 354 days, roughly 11 days shorter than the Gregorian year, so the same month drifts earlier through the seasons from year to year.
It shows the month name in AH notation (Muharram, Ramadan, Dhu al-Hijjah and so on) and whether the year is a leap year.
Because this uses the arithmetic method, the result may differ by 1-2 days from the actual Islamic calendar based on moon sighting. Always check local announcements for the exact dates of observances.
AH stands for the Hijri era, counted from the Prophet Muhammad's migration to Medina in 622 CE as year one.

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