Chronology of Arab League Metrication:

Arab League / League of Arab States

145 DZA Algeria

DZA Time Zone +1 Al Jaza’ir (Algeria) (Algiers)
Metric System Adoption: 1843
United Nations Member: 8 Oct 1962

125 EGY Egypt

EGY Time Zone +2 KMT (Ancient) Misr (Egypt) Al Qahirah (Cairo)
Metric System Legal: 1873
Compulsory for Government Work: 1892
Metric System Adoption: 1939
Compulsory Metric Implementation: 1951-61
United Nations Member: 24 Oct 1945

126 PSE Palestine Gaza

PSE Time Zone +2 Qita Ghazzah (Gaza Strip) [State of Palestine] Gaza City
Metric System Legal: 1873 *
United Nations Status: Non-Member Permanent Observer
* Gaza is culturally dominated by neighboring Egypt from the early 19th century; Muhammad Ali of Egypt conquers Gaza and most of Palestine in 1832.

148 MRT Mauritania

MRT Time Zone 0 Muritanya (Mauritania) Nuw ’Akshut (Nouakchott)
Metric System Adoption: 1884-1907
United Nations Member: 27 Oct 1961

144 TUN Tunisia

TUN Time Zone +1 Tunis (Tunisia) Tunis
Metric System Adoption: 1895
United Nations Member: 12 Nov 1956

119 DJI Djibouti

DJI Time Zone +3 Djibouti Djibouti
Metric System Adoption: 1898
United Nations Member: 20 Sep 1977

143 LBY Libya

LBY Time Zone +2 Libya Tarabulus (Tripoli)
Metric System Introduction: 1913 *
Metric System Adoption: 1927
United Nations Member: 14 Dec 1955
* Italians introduce the metric system into Tripoli in 1913.

52 COM Comoros

COM Time Zone +3 Juzur al-Qamar (Comoros) Mūrūnī (Moroni)
Metric System Adoption: 1914
United Nations Member: 12 Nov 1975

146 MAR Morocco

MAR Time Zone 0 Al Maghrib (Arabic) Lmaɣrib (Berber) (Morocco) Ar Rabat (Moroccan Arabic)‎ Rrbat (Berber) (Rabat)
Metric System Adoption: 1923
United Nations Member: 12 Nov 1956

107 IRQ Iraq

IRQ Time Zone +3 Iraq (formerly known as Mesopotamia) Baghdad
Metric System Adoption: 1931
International System Adoption: 1960
United Nations Member: 21 Dec 1945
Metric versus English [Published in 1921] Page 32

123 LBN Lebanon

LBN Time Zone +2 Lubnan (Lebanon) Beirut
Metric System Adoption: 1935
United Nations Member: 24 Oct 1945

122 SYR Syrian Arab Republic

SYR Time Zone +2 Suriyah (Syria / Syrian Arab Republic) Dimashq (Damascus)
Metric System Adoption: 1935
United Nations Member: 24 Oct 1945

120 SOM Somalia

SOM Time Zone +3 Soomaaliya (Somalia) Muqdisho (Mogadishu)
Metric System Adoption: 1950
Compulsory Metric Implementation: 1972
United Nations Member: 20 Sep 1960

124 JOR Jordan

JOR Time Zone +2 Al Urdun (Jordan) Amman
Metric System Adoption: 1953
Compulsory Metric Implementation: 1954
United Nations Member: 14 Dec 1955

130 PSE Palestine West Bank

PSE Time Zone +2 Ad Diffah I Garbiyyah (West Bank) [State of Palestine] Ramallah
Metric System Adoption: 1953 *
Compulsory Metric Implementation: 1954
United Nations Member when part of Jordan: 14 Dec 1955
United Nations Status: Non-Member Permanent Observer
* Jordan annexes West Bank in 1950.

121 SDN Sudan

SDN Time Zone +3 Sudan Khartoum
Metric System Adoption: 1955
United Nations Member: 12 Nov 1956

108 KWT Kuwait

KWT Time Zone +3 Kuwait Madinat Al Kuwayt (Kuwait City)
International System Adoption: 1961
Compulsory Metric Implementation: 1964
United Nations Member: 14 May 1963

115 ARE United Arab Emirates

ARE Time Zone +4 Al Imarat al Arabiyah al Muttahidah (United Arab Emirates) Abu Dhabi
International System Adoption: 1961
United Nations Member: 9 Dec 1971

112 SAU Saudi Arabia

SAU Time Zone +3 Al Arabiyah as Suudiyah (Saudi Arabia) Riyadh
International System Adoption: 1962
Compulsory Metric Implementation: 1964
United Nations Member: 24 Oct 1945

113 BHR Bahrain

BHR Time Zone +3 Al Baḥrayn (Bahrain) Al Manamah (Manama)
International System Adoption: 1969
United Nations Member: 21 Sep 1971

114 QAT Qatar

QAT Time Zone +3 Qaṭr (Qatar) ‎ad-Dawḥa (Doha)
International System Adoption: 1972
United Nations Member: 21 Sep 1971

116 OMN Oman

OMN Time Zone +4 Uman (Oman) Masqat (Muscat)
International System Adoption: 1974
United Nations Member: 7 Oct 1971

117 YEM Yemen

YEM Time Zone +3 al Yaman (Yemen) Sana’a (Sana)
International System Adoption: 1981
United Nations Member: 30 Sep 1947

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