Islamic Hijri and Gregorian Calendar Date Converter
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Convert dates between the Islamic Hijri lunar calendar (Umm al-Qura) and the Gregorian calendar with Ramadan and Eid markers.
Date Input
Calculated Result
Islamic Hijri Date
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Key Islamic Observances:
• 1 Muharram: Islamic New Year
• 1 Ramadan: First Day of Fasting
• 1 Shawwal: Eid al-Fitr Celebration
• 10 Dhu al-Hijjah: Eid al-Adha Feast
• 1 Muharram: Islamic New Year
• 1 Ramadan: First Day of Fasting
• 1 Shawwal: Eid al-Fitr Celebration
• 10 Dhu al-Hijjah: Eid al-Adha Feast
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Helpful Examples
Convert Today's Date
Converts current Gregorian date to Islamic Hijri month, day, and year.
Direction: Gregorian to HijriHow to Use the Islamic Hijri and Gregorian Calendar Date Converter
Astronomical Hijri calendar converter calculating lunar cycle dates with custom moon-sighting offset adjustment (-2 to +2 days). Discover upcoming Islamic holidays including Ramadan, Eid al-Fitr, Eid al-Adha, and the Islamic New Year.
Privacy & Data Processing Notice
No user data leaves your browser. Computation is executed entirely on your device. We do not store, view, or transmit your inputs over our network. Your computation remains on your personal machine.
Frequently Asked Questions
Why is a lunar moon-sighting adjustment needed?
The Islamic calendar is based on visual crescent moon sightings (Hilal), which can vary by ±1 or ±2 days depending on regional geographic latitude and weather.
How many days are in a Hijri year?
A Hijri lunar year consists of 12 lunar months alternating between 29 and 30 days, totaling approximately 354 or 355 days (roughly 11 days shorter than a solar Gregorian year).
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