Which Hijri calendar?
The tool uses the Umm al-Qura calendar, the official calendar of Saudi Arabia, used for contracts and residence permits in the Gulf. Religious dates such as the start of Ramadan follow the moon sighting in each country, so they can differ from the calendar by a day.
Frequently asked questions
Why is my Hijri date one day off?
Countries that follow moon sighting can be a day ahead or behind the Umm al-Qura calendar.
Which years are supported?
Hijri years 1356 to 1500 (about 1937 to 2077).
Is my data saved?
No. Everything runs in your browser.
Sources
Umm al-Qura calendar; religious dates may follow local moon sighting. Disclaimer.