The Muslim Board Sighting Assembly
Headed by the Grand Mufti of Uzbekistan at the Hazrati Imam Complex in Tashkent, the Fatwa Council reviews reports from astronomical institutes and regional observatories before declaring holy months.
The Ulugh Beg Astronomical Tradition
Uzbekistan honors the scientific precision of the 15th-century Ulugh Beg Observatory, relying on calculated lunar tables checked against physical crescent sighting parameters across the Central Asian steppes.
Day Transition Dynamics
The civil calendar updates at 12:00 AM midnight Uzbekistan Time (UZT / Asia/Tashkent, UTC+5), while religious observance begins at sunset with the Maghrib prayer.