Hijri Calendar for the Modern World
Seamlessly navigate between Hijri and Gregorian dates with our precision tools. Built for Muslims worldwide to plan events, track important dates, and stay connected.
Date Converter
Hijri–Gregorian Date Converter
Convert dates between Islamic and Gregorian calendars with precision. Using UTC timezone with 0 days Hijri adjustment.
Hijri Calendar
Dhu al-Qaʿdah/Dhu al-Hijjah 1446
May 2025
Hijri Months
Islamic Holidays
Important Islamic holidays and events throughout the Hijri calendar year. These dates may vary slightly based on moon sighting.
Islamic History Timeline
Explore the rich history of Islam through an interactive timeline organized by Hijri years. From the birth of Prophet Muhammad PBUH to significant events that shaped Islamic civilization.
Filter Timeline
Hijri Year Range
Themes
Islamic Historical Timeline (-53 to 1446)
Scroll horizontally to navigate through years
Frequently Asked Questions
What is the Hijri calendar?
The Hijri calendar is the Islamic lunar calendar that began with the migration (Hijrah) of Prophet Muhammad ﷺ from Makkah to Medina in 622 CE. It consists of 12 lunar months and is approximately 11 days shorter than the Gregorian solar year.
How is the beginning of a Hijri month determined?
The beginning of a Hijri month is traditionally determined by the physical sighting of the new crescent moon (hilal). However, some communities now use astronomical calculations to predict moon sightings.
Why do Islamic dates sometimes vary by a day or two?
Islamic dates can vary because the beginning of each month depends on moon sighting, which may differ based on geographical location, weather conditions, and whether a community relies on local or global sightings.
What are the most important months in the Hijri calendar?
The most significant months include Ramadan (the month of fasting), Dhul-Hijjah (when Hajj is performed), Muharram (the first month), Rajab (one of the four sacred months) and Dhū al-Qaʿdah (also one of the four sacred months). The four sacred months: Muḥarram, Rajab, Dhū al-Qaʿdah, and Dhul-Hijjah.
How can I convert a Gregorian date to a Hijri date?
You can use our Date Converter tool on this website to easily convert between Gregorian and Hijri dates. The conversion uses mathematical calculations based on lunar cycles and accounts for regional variations.
What is the significance of the Hijri New Year?
The 1st of Muharram marks the beginning of the Islamic lunar calendar but it is not celebrated like other traditions do with new years in their calendars. The Hijri calendar is named after the Prophet Muhammad's ﷺ migration (Hijrah) from Makkah to Medina, which actually occurred in the month of Rabi' al-Awwal, though it is not the first month.
How does moon sighting work for determining Islamic dates?
According to tradition, reliable witnesses must sight the new crescent moon with the naked eye after sunset to confirm the start of a new lunar month. If the moon isn't visible due to clouds or other factors, the current month completes 30 days.
Why is the Islamic calendar shorter than the Gregorian calendar?
The Islamic calendar is based on lunar cycles with each month lasting 29 or 30 days, totaling approximately 354-355 days per year. This is about 11 days shorter than the Gregorian solar year, which causes Islamic dates to shift earlier each solar year.
What are the four sacred months in Islam?
The four sacred months in Islam are Dhul-Qi'dah, Dhul-Hijjah, Muharram, and Rajab. During these months, warfare was traditionally forbidden, and they hold special religious significance for worship and spiritual reflection.
Can I use this calendar for planning religious events?
Yes, our Hijri Calendar is designed to help plan religious events and observances. However, for critical dates like the start of Ramadan or Eid celebrations, it's best to confirm with your local mosque or religious authority as dates may vary.