[citation needed] All Arab states use the Gregorian calendar for civil purposes.
[citation needed] In other Arab countries, some modification or actual changes in naming or pronunciation of months are observed.
[citation needed] The names of months used in the Great Socialist People's Libyan Arab Jamahiriya (1977–2011) were derived from various sources, and were assembled after Muammar Gaddafi's seizure of power in 1969 and abolished in 2011 after the 17 February Revolution.
[2] The Libyan calendar, which followed the same sequence of renamed Gregorian months, counted the years from the death of Muhammad.
When Morocco adopted the Gregorian calendar for civil purposes, the names of the months were taken from this local tradition.