Moon Visibility in Mecca, Saudi Arabia
Track the current and future moon phases for Mecca, Saudi Arabia (Coordinates: 21.40°N, 39.80°E). The moon visibility forecast for Mecca, Saudi Arabia tonight indicates that the crescent falls into the "Easily Visible" zone, with a current lunar illumination of an unknown.
Our tool provides highly accurate crescent visibility predictions using the Odeh V-criterion algorithms framework, helping you determine the formal start of lunar months in Mecca and the surrounding regional territories. All calculations are performed in real-time using the precise positions of the Sun and Moon via the astronomy-engine library.
Astronomical Data for Mecca
Located in the Asia/Riyadh timezone, Mecca interacts with the lunar cycle in a unique way based on its specific geographical position on the globe at latitude 21.40° and longitude 39.80°. Factors such as standard atmospheric twilight conditions, topocentric altitude, the moon's elongation from the sun, and the crescent width are actively computed for each query. The interactive map above shows the precise visibility zones affecting Mecca and the surrounding region.
Moon Sighting Traditions in Saudi Arabia
Saudi Arabia is central to Islamic moon sighting, with the Supreme Court of Saudi Arabia making official announcements for the start of Ramadan, Eid al-Fitr, and Eid al-Adha. The Umm al-Qura calendar is used for civil purposes, but religious observances often rely on physical crescent sighting.
Climate & Sighting Conditions
Desert climate conditions in much of Saudi Arabia provide excellent visibility for crescent observation due to low humidity and minimal cloud cover, particularly in the Najd plateau and western highlands.
Using the Tool for Mecca
To generate a complete Hijri lunar calendar for Mecca, return to the home page, select "Mecca, Saudi Arabia" from the city dropdown, choose your reference date, and click "Calculate Lunar Calendar." The tool will predict the start of each of the next 12 Islamic months, accounting for both direct visibility and shared night inheritance from nearby regions.
You can also export your calendar as a PDF for community distribution, add events to Google Calendar, or download the raw data as a CSV file. Visit our User Guide for detailed step-by-step instructions, or check the FAQ for answers to common questions about lunar calendar calculations.