Why Can the Islamic Date Differ by One Day?
The Umm al-Qura calendar is a calculated calendar used for civil dates in Saudi Arabia. Other countries or local authorities may confirm the start of a Hijri month through moon sighting. Around Ramadan and Eid, follow the announcement of the relevant local authority for religious observance.
A phone may also use a different Islamic calendar method or a different time zone. This page answers a specific question: the civil Hijri date in Saudi Arabia according to Riyadh time.
When Does the Hijri Date Change?
This page displays the civil date in Riyadh. It changes at midnight, not at sunset. Religious days can be described from sunset, while official forms, schedules and most digital calendars use the civil day from 00:00.
The displayed result is recalculated in your browser and updates automatically after midnight in Riyadh. If you travel, the answer remains tied to Asia/Riyadh rather than your device's local time.
Related Hijri Date Tools
Use the Hijri to Gregorian converter for a past or future date, or browse the Umm al-Qura calendar. You can also calculate an age with the age calculator.
Frequently Asked Questions
What is the Islamic date today?
The current Hijri date appears at the top of this page with the Gregorian date and weekday.
What is today's Hijri date in Saudi Arabia?
Use the date card above for today's Saudi date based on Umm al-Qura and Riyadh time.
What is the Hijri date today in numbers?
The numeric Hijri format appears below the written Hijri date.
Is the Hijri date the same in every country?
No. Calendar methods, time zones and local moon-sighting decisions can produce a one-day difference.
Why can the Hijri date differ by one day?
The Umm al-Qura calculation may differ from a local authority's moon-sighting announcement.
How is today's Hijri date calculated?
The page converts the civil date in Riyadh using the Islamic Umm al-Qura calendar data available in the browser.