The Nigerian Supreme Council for Islamic Affairs (NSCIA) is the apex Islamic authority in Nigeria.[1] It was established in 1973 to "cater for, preserve, protect, promote and advance the interest of Islam and Muslims throughout the country" and has been responsible for the unity of Nigerian Muslims as the official body, recognised by the Nigerian Federal and State Governments, coordinating the affairs of Islam in Nigeria.[2] The NSCIA is headquartered at the Abuja National Mosque Office Complex, Central Business District, Abuja, Nigeria.[3] The organisation is, inter alia, responsible for the official announcement of commencement and termination of the Ramadan fast or moon sighting in Nigeria.[4]