The Santiago Sighting Assembly
On the 29th of each lunar month, the sharia council of the Centro Islámico de Chile convenes at Mezquita As-Salam in Santiago. Observers in coastal Valparaíso and northern Iquique monitor the Pacific sunset.
Atacama and Pacific Coast Astronomical Precision
With cloudless coastal skies along the Pacific and high-altitude vantage points across the Andes cordillera, Chilean observers enjoy some of the highest-contrast crescent sightings on Earth.
Day Transition Dynamics & Santiago Midnight Synchronization
The civil calendar updates at 12:00 AM midnight Chile Standard Time (CLT, America/Santiago, UTC-3 / UTC-4), while religious observance begins at sunset with the Maghrib prayer.