Data Sources and Calculations

The daily prayer table is based on monthly calendar responses from the AlAdhan Prayer Times API. Prayer Time Riyadh is an independent informational website and is not affiliated with AlAdhan, a mosque, or a Saudi government authority.

Provider Request

The server requests a calendar by city, country, year, and month. It sends method ID 4 for Umm Al-Qura (Makkah), school ID 0 for the standard Asr juristic rule, and asks the provider for ISO-formatted timing data. The returned timezone and local calendar date are kept with the prayer values.

What This Site Calculates

The following information is derived locally from the daily timetable:

• The next prayer and live countdown in the displayed city timezone.
• The duration from Fajr to Maghrib and the gaps between selected prayers.
• Seven-day Maghrib movement and monthly earliest/latest summaries.
• Qibla bearing from Riyadh using the published coordinates of Riyadh and the Kaaba.

These calculations add practical context, but they do not alter the provider's prayer start values.

Cache and Availability Rules

Monthly responses are cached so a short provider outage does not immediately remove the timetable. If a valid city calendar is unavailable and there is no usable cache, the site does not substitute Riyadh values for another Saudi city. The page instead marks the schedule and derived countdown as unavailable.

What the Timetable Does Not Provide

Citywide prayer-start calculations are not the same as a mosque's adhan, iqamah, Friday khutbah, Ramadan announcement, moon-sighting decision, or Eid schedule. Confirm those details with the mosque or relevant authority before travelling or joining a congregation.

Corrections and Review

The current editorial review date is 18 July 2026. To report a possible discrepancy, email contact@prayertimeriyadh.org with the city, date, prayer name, comparison source, and the method used by that source. See the methodology for the full review process.