Calendar Converter 2025: Gregorian, Hijri, Julian
Need to know when Ramadan starts in 2025? Or convert a historical date from the Julian calendar? Our Calendar Converter instantly switches between Gregorian, Hijri (Islamic), and Julian systems with high accuracy using the official Umm Al-Qura standard.
Why Convert Calendars?
Different cultures and religions, systems use different calendars:
- Gregorian: Global standard (solar, 365.2425 days)
- Hijri: Lunar-based (354–355 days), used for Islamic events
- Julian: Predecessor to Gregorian, off by ~13 days now
Supported Conversions
| From → To | Accuracy | Use Case |
|---|---|---|
| Gregorian → Hijri | Umm Al-Qura | Eid, Hajj, Ramadan |
| Hijri → Gregorian | Official Saudi | Travel, appointments |
| Gregorian ↔ Julian | 13-day offset | Historical research |
Example: Ramadan 2025
Gregorian: March 1, 2025
Hijri: 1 Ramadan 1446 AH
Julian: February 16, 2025
How It Works
Step 1: Choose source and target calendars.
Step 2: Enter date in correct format.
Step 3: Get instant, accurate conversion.
Hijri Calendar Notes
- Based on moon sighting — exact dates may vary ±1 day
- Uses Umm Al-Qura (Saudi Arabia official)
- Year 1446 AH ≈ 2025 CE
Julian vs Gregorian
The Julian calendar was replaced in 1582. Today, it’s 13 days behind Gregorian.
Pro Tips
- Use for Islamic inheritance, wedding dates, or historical documents
- Pair with Holiday Calculator
- Check local moon sighting for religious precision
Common Mistakes
- Using approximate 33-year rule (inaccurate)
- Forgetting Hijri year starts at Muharram
- Ignoring leap years in Gregorian
FAQs
When is Eid al-Fitr 2025? ~March 31, 2025 (1 Shawwal 1446)
Is Hijri exact? Astronomical; actual depends on moon sighting.
Can I convert to Hebrew/Chinese? Use our Convertors section.
Conclusion
Stop guessing dates across calendars. Our 2025 Calendar Converter is accurate, fast, and free. Plan religious events, research history, or sync global schedules with confidence.
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