Hijri Calendar Calculator - Convert Gregorian to Islamic
Convert Gregorian dates to Islamic (Hijri) calendar and vice versa. Accurate conversion using Umm al-Qura or astronomical calculation methods. Useful for Islamic event planning, Ramadan scheduling, and determining Hajj dates.
Calendar Conversion
Hijri Year ≈ (Gregorian Year - 622) × (33/32)Keterangan:
- Year HYear in the Hijri calendar(contoh: 1445 H)
- Year GYear in the Gregorian calendar(contoh: 2024 G)
- Cycle30 Hijri years ≈ 29 Gregorian years(contoh: 354.37 days/year)
How to Use
- 1
Choose Conversion Direction
Gregorian → Hijri or Hijri → Gregorian.
- 2
Enter Date
Input the date to convert.
- 3
View Results
The converted date in the target calendar is displayed.
Contoh Perhitungan
Gregorian to Hijri Conversion
Soal:
January 1, 2024 CE = what Hijri date?
Penyelesaian:
- 1.Using calendar conversion algorithm
- 2.Accounting for 30-year Hijri cycle
Hasil:18 Jumadil Akhir 1445 H
January 1, 2024 falls in mid Jumadil Akhir 1445 H.
Finding Ramadan Date
Soal:
When is 1 Ramadan 1445 H in Gregorian calendar?
Penyelesaian:
- 1.Convert 1 Ramadan 1445 H to Gregorian
Hasil:March 11, 2024 CE
Ramadan 1445 H begins around March 11, 2024 (may differ 1–2 days depending on crescent sighting).
Pertanyaan yang Sering Diajukan (FAQ)
Why is the Hijri calendar shorter than the Gregorian calendar?
The Hijri calendar is lunar-based (12 months × 29.5 days ≈ 354 days/year). The Gregorian calendar is solar (365 days). The ~11-day difference makes Ramadan shift earlier each year.
What is crescent moon sighting (rukyat hilal)?
Crescent moon sighting observes the new moon to determine the start of Hijri months. Start dates can differ by 1–2 days between countries or Islamic organizations.
What are the Hijri month names?
1.Muharram, 2.Safar, 3.Rabiul Awal, 4.Rabiul Akhir, 5.Jumadil Awal, 6.Jumadil Akhir, 7.Rajab, 8.Syaban, 9.Ramadan, 10.Syawal, 11.Dzulqaidah, 12.Dzulhijjah.
When did the Hijri calendar begin?
Year 1 Hijri = 622 CE, starting from the hijrah (migration) of Prophet Muhammad from Mecca to Medina. The current year is approximately 1445–1446 H.