Fourteen Centuries of Islam and Historic Autonomous Republics
Islam entered Derbent in Dagestan during the lifetime of the Companions of the Prophet ﷺ in the 7th century. In 922 CE, Volga Bulgaria peacefully adopted Islam, establishing Kazan as one of the great scholarly centers of the Islamic world. Today, indigenous Muslim nations including Tatars, Bashkirs, Chechens, Avars, and Circassians form foundational parts of the Russian Federation.
The DUM RF, Central Muftiates, and Astronomical Standardization
The Spiritual Administration of Muslims of the Russian Federation (DUM RF), led by Mufti Sheikh Ravil Gainutdin, and the Central Muslim Spiritual Board (TsDUM) in Ufa coordinate astronomical criteria and lunar observations. The Council of Ulama calculates lunar conjunction parameters, publishing unified calendars for millions across eleven time zones from Kaliningrad to Vladivostok.
Day Transition Dynamics in Moscow Time
The civil Islamic date on this page is referenced to Moscow Standard Time (MSK / Europe/Moscow, UTC+3, which operates year-round without daylight saving adjustments). Regional republics follow their respective time zones, with daily fasts breaking precisely at local Maghrib sunset.