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Geodetic Datum (HZD)

DGIF baseline 2026-1, the latest. Earlier baselines: timemap.

RDF: hzd.ttl

Name

geodeticDatum

Datatype

Enumeration

Definition

A datum describing the relationship of a two-dimensional coordinate system to the Earth.

Description

The datum (sometimes termed 'horizontal datum') defines a surface and two locally-orthogonal axes on that surface as the basis for specifying geodetic longitude and geodetic latitude.

Accepted

2013-10-18

Defined by

DFDD

Values

HZD_10 Antigua Island Astro 1943
HZD_100 DOS 1968 (Gizo Island, New Georgia Islands)
HZD_101 Graciosa Base SW (Faial, Graciosa, Pico, Sao Jorge, and Terceira Island, Azores)
HZD_102 Greek Datum, Greece
HZD_103 Greek Geodetic Reference System 1987 (GGRS 87)
HZD_104 Gunong Segara (Kalimantan Island, Indonesia)
HZD_105 Gunong Serindung
HZD_106 Guam 1963
HZD_107 Herat North (Afganistan)
HZD_108 Hermannskogel
HZD_109 Provisional South Chilean 1963 (or Hito XVIII 1963) (S. Chile, 53ø S)
HZD_110 Hj”rsey 1955 (Iceland)
HZD_111 Hong Kong 1963 (Hong Kong)
HZD_112 Hong Kong 1929
HZD_113 Hu-Tzu-Shan
HZD_114 Hungarian 1972
HZD_115 Bellevue (IGN) (Efate and Erromango Islands)
HZD_116 Indonesian 1974
HZD_118 Indian (Thailand and Vietnam)
HZD_119 Indian (Bangladesh)
HZD_12 Ain el Abd 1970 (Bahrain Island)
HZD_120 Indian (India and Nepal)
HZD_121 Indian (Pakistan)
HZD_123 Indian 1954 (Thailand)
HZD_125 Indian 1960 (Vietnam: near 16øN)
HZD_126 Indian 1960 (Con Son Island (Vietnam))
HZD_128 Indian 1975 (Thailand)
HZD_129 Ireland 1965 (Ireland and Northern Ireland)
HZD_13 Ain el Abd 1970 (Saudi Arabia)
HZD_130 ISTS 061 Astro 1968 (South Georgia Islands)
HZD_131 ISTS 073 Astro 1969 (Diego Garcia)
HZD_132 Johnston Island 1961 (Johnston Island)
HZD_133 Kalianpur (India)
HZD_134 Kandawala (Sri Lanka)
HZD_135 Kertau 1948 (or Revised Kertau) (West Malaysia and Singapore)
HZD_136 KCS 2, Sierra Leone
HZD_137 Kerguelen Island 1949 (Kerguelen Island)
HZD_138 Korean Geodetic System 1995 (South Korea)
HZD_139 KKJ (or Kartastokoordinaattijarjestelma), Finland
HZD_14 American Samoa Datum 1962
HZD_140 Kusaie Astro 1951
HZD_141 Kuwait Oil Company (K28)
HZD_142 L.C. 5 Astro 1961 (Cayman Brac Island)
HZD_143 Leigon (Ghana)
HZD_144 Liberia 1964 (Liberia)
HZD_145 Lisbon (Castelo di SÆo Jorge), Portugal
HZD_146 Local Astro
HZD_147 Loma Quintana (Venezuela)
HZD_149 Luzon (Philipines except Mindanao Island)
HZD_15 Amersfoort 1885/1903 (Netherlands)
HZD_150 Luzon (Mindanao Island)
HZD_151 Marco Astro (Salvage Islands)
HZD_152 Martinique Fort-Desaix
HZD_153 Massawa (Eritrea, Ethiopia)
HZD_154 Manokwari (West Irian)
HZD_155 Mayotte Combani
HZD_156 Mount Dillon, Tobago
HZD_157 Merchich (Morocco)
HZD_158 Midway Astro 1961 (Midway Island)
HZD_159 Mahe 1971 (Mahe Island)
HZD_16 Anna 1 Astro 1965 (Cocos Islands)
HZD_161 Minna (Cameroon)
HZD_162 Minna (Nigeria)
HZD_163 Rome 1940 (or Monte Mario 1940), Italy
HZD_164 Rome 1940 (or Monte Mario 1940), Italy, with Zero Meridian Rome
HZD_165 Montjong Lowe
HZD_166 M'Poraloko (Gabon)
HZD_167 Viti Levu 1916 (Viti Levu Island, Fiji Islands)
HZD_169 Nahrwan (Masirah Island, Oman)
HZD_17 Approximate Luzon Datum (Philippines)
HZD_170 Nahrwan (United Arab Emirates)
HZD_171 Nahrwan (Saudi Arabia)
HZD_172 Naparima (BWI, Trinidad and Tobago)
HZD_174 North American 1983 (Alaska, excluding Aleutian Islands)
HZD_175 North American 1983 (Canada)
HZD_176 North American 1983 (CONUS)
HZD_177 North American 1983 (Mexico and Central America))
HZD_178 North American 1983 (Aleutian Islands)
HZD_179 North American 1983 (Hawaii)
HZD_181 North American 1927 (Eastern US)
HZD_182 North American 1927 (Western US)
HZD_183 North American 1927 (CONUS mean)
HZD_184 North American 1927 (Alaska)
HZD_185 North American 1927 (Canada mean)
HZD_186 North American 1927 (Alberta and British Columbia)
HZD_187 North American 1927 (Newfoundland, New Brunswick, Nova Scotia and Quebec)
HZD_188 North American 1927 (Manitoba and Ontario)
HZD_189 North American 1927 (Northwest Territories and Saskatchewan)
HZD_19 Arc 1950 (Botswana)
HZD_190 North American 1927 (Yukon)
HZD_191 North American 1927 (Mexico)
HZD_192 North American 1927 (Central America)
HZD_193 North American 1927 (Canal Zone)
HZD_194 North American 1927 (Caribbean)
HZD_195 North American 1927 (Bahamas, except San Salvador Island)
HZD_196 North American 1927 (San Salvador Island)
HZD_197 North American 1927 (Cuba)
HZD_198 North American 1927 (Hayes Peninsula, Greenland)
HZD_199 North American 1927 (Aleutian Islands East of 180ø W)
HZD_2 Adindan (Ethiopia)
HZD_20 Arc 1950 (Lesotho)
HZD_200 North American 1927 (Aleutian Islands West of 180ø W)
HZD_201 Revised Nahrwan
HZD_202 New French or Nouvelle Triangulation Fran‡aise (NTF) with Zero Meridian Paris
HZD_204 North Sahara 1959
HZD_205 Ocotopeque, Guatemala
HZD_206 Belgium 1972 (Observatoire d'Uccle)
HZD_207 Old Egyptian (Egypt)
HZD_209 Ordnance Survey G.B. 1936 (England)
HZD_21 Arc 1950 (Malawi)
HZD_210 Ordnance Survey G.B. 1936 (England, Isle of Man, and Wales)
HZD_211 Ordnance Survey G.B. 1936 (Scotland and Shetland Islands)
HZD_212 Ordnance Survey G.B. 1936 (Wales)
HZD_213 Ordnance Survey G.B. 1936 (mean value)
HZD_215 Old Hawaiian (Hawaii)
HZD_216 Old Hawaiian (Kauai)
HZD_217 Old Hawaiian (Maui)
HZD_218 Old Hawaiian (Oahu)
HZD_219 Old Hawaiian (mean value)
HZD_22 Arc 1950 (Swaziland)
HZD_220 Oslo Observatory (Old), Norway
HZD_221 Padang Base West End (Sumatra, Indonesia)
HZD_222 Padang Base West End (Sumatra, Indonesia) with Zero Meridian Djakarta
HZD_223 Palestine 1928 (Israel, Jordan)
HZD_224 Potsdam or Helmertturm (Germany)
HZD_225 Ayabelle Lighthouse (Djibouti)
HZD_226 Pitcairn Astro 1967 (Pitcairn Island)
HZD_227 Pico de las Nieves (Canary Islands)
HZD_228 SE Base (Porto Santo) (Porto Santo & Madeira Islands)
HZD_23 Arc 1950 (Zaire)
HZD_230 Prov. S. American 1956 (Bolivia)
HZD_231 Prov. S. American 1956 (Northern Chile near 19øS)
HZD_232 Prov. S. American 1956 (Southern Chile near 43øS)
HZD_233 Prov. S. American 1956 (Columbia)
HZD_234 Prov. S. American 1956 (Ecuador)
HZD_235 Prov. S. American 1956 (Guyana)
HZD_236 Prov. S. American 1956 (Peru)
HZD_237 Prov. S. American 1956 (Venezuela)
HZD_238 Prov. S. American 1956 (mean value)
HZD_239 Point 58 Mean Solution (Burkina Faso and Niger)
HZD_24 Arc 1950 (Zambia)
HZD_240 Pointe Noire 1948
HZD_241 Pulkovo 1942 (Russia)
HZD_242 Puerto Rico (Puerto Rico and Virgin Islands)
HZD_243 Qatar National (Qatar)
HZD_244 Qornoq (South Greenland)
HZD_245 Rauenberg (Berlin, Germany)
HZD_246 Reconnaissance Triangulation, Morocco
HZD_247 Reunion 1947
HZD_248 RT90, Stockholm, Sweden
HZD_249 Santo (DOS) 1965 (Espirito Santo Island)
HZD_25 Arc 1950 (Zimbabwe)
HZD_250 South African (South Africa)
HZD_251 Sainte Anne I 1984 (Guadeloupe)
HZD_253 South American 1969 (Argentina)
HZD_254 South American 1969 (Bolivia)
HZD_255 South American 1969 (Brazil)
HZD_256 South American 1969 (Chile)
HZD_257 South American 1969 (Columbia)
HZD_258 South American 1969 (Ecuador)
HZD_259 South American 1969 (Guyana)
HZD_26 Arc 1950 (Burundi)
HZD_260 South American 1969 (Paraguay)
HZD_261 South American 1969 (Peru)
HZD_262 South American 1969 (Baltra, Galapagos Islands)
HZD_263 South American 1969 (Trinidad and Tobago)
HZD_264 South American 1969 (Venezuela)
HZD_265 South American 1969 (mean value)
HZD_266 Sao Braz (Sao Miguel, Santa Maria Islands, Azores)
HZD_267 Sapper Hill 1943 (East Falkland Islands)
HZD_268 Schwarzeck (Namibia)
HZD_269 Soviet Geodetic System 1985
HZD_27 Arc 1950 (mean value)
HZD_270 Soviet Geodetic System 1990
HZD_271 Selvagem Grande 1938 (Salvage Islands)
HZD_272 Astro DOS 71/4 (St. Helena Island)
HZD_273 Sierra Leone 1960
HZD_274 South Asia (Southeast Asia, Singapore)
HZD_276 St. Pierre et Miquelon 1950
HZD_277 Stockholm 1938 (Sweden)
HZD_278 Sydney Observatory, New South Wales, Australia
HZD_279 Tananarive Observatory 1925
HZD_280 Tananarive Observatory 1925, with Zero Meridian Paris
HZD_281 Tristan Astro 1968 (Tristan da Cunha)
HZD_282 Timbalai 1948 (Brunei and East Malaysia - Sarawak and Sabah)
HZD_283 Timbalai 1968
HZD_285 Tokyo (Japan)
HZD_286 Tokyo (Korea)
HZD_287 Tokyo (Okinawa)
HZD_288 Tokyo (mean value)
HZD_289 Trinidad 1903
HZD_29 Arc 1960 (Kenya)
HZD_290 Astro Tern Island 1961 (Tern Island, Hawaii)
HZD_292 Voirol 1875
HZD_293 Voirol 1875 with Zero Meridian Paris
HZD_294 Voirol 1960, Algeria
HZD_295 Voirol 1960, Algeria, with Zero Meridian Paris
HZD_296 Wake Island Astro 1952
HZD_297 World Geodetic System 1960
HZD_298 World Geodetic System 1966
HZD_299 World Geodetic System 1972
HZD_3 Adindan (Sudan)
HZD_30 Arc 1960 (Tanzania)
HZD_300 World Geodetic System 1984
HZD_301 Yacare (Uruguay)
HZD_302 Zanderij (Surinam)
HZD_305 Co-ordinate System 1937 of Estonia
HZD_306 Indian 1975 (Thailand) - Cycle 1
HZD_307 South American Geocentric Reference System (SIRGAS)
HZD_308 Pulkovo 1942 (Hungary)
HZD_309 Pulkovo 1942 (Poland)
HZD_31 Arc 1960 (mean value)
HZD_310 Pulkovo 1942 (Czechoslovakia)
HZD_311 Pulkovo 1942 (Latvia)
HZD_312 Pulkovo 1942 (Kazakhstan)
HZD_313 Pulkovo 1942 (Albania)
HZD_314 Pulkovo 1942 (Romania)
HZD_315 Tokyo (Korea) - Cycle 1
HZD_32 Arc 1935 (Africa)
HZD_33 Ascension Island 1958 (Ascension Island)
HZD_34 Montserrat Island Astro 1958
HZD_35 Astro Station 1952 (Marcus Island)
HZD_36 Astro Beacon 'E' (Iwo Jima Island)
HZD_37 Average Terrestrial System 1977, New Brunswick
HZD_38 Australian Geod. 1966 (Australia and Tasmania Island)
HZD_39 Australian Geod. 1984 (Australia and Tasmania Island)
HZD_4 Adindan (Mali)
HZD_40 Djakarta (Batavia) (Sumatra Island, Indonesia)
HZD_41 Djakarta (Batavia) (Sumatra Island, Indonesia) with Zero Meridian Djakarta
HZD_42 Bekaa Base South End (Lebanon)
HZD_43 Belgium 1950 System (Lommel Signal, Belgium)
HZD_44 Bermuda 1957 (Bermuda Islands)
HZD_45 Bissau (Guinea-Bissau)
HZD_46 Modified BJZ54 (China)
HZD_47 BJZ54 (A954 Beijing Coordinates) (China)
HZD_48 Bogota Observatory (Colombia)
HZD_49 Bogota Observatory (Colombia) with Zero Meridian Bogota
HZD_5 Adindan (Senegal)
HZD_50 Bern 1898 (Switzerland)
HZD_51 Bern 1898 (Switzerland) with Zero Meridian Bern
HZD_52 Bukit Rimpah (Bangka & Belitung Islands, Indonesia)
HZD_53 Cape Canaveral (mean value)
HZD_54 Campo Inchauspe (Argentina)
HZD_55 Camacupa Base SW End (Campo De Aviacao, Angola)
HZD_56 Canton Astro 1966 (Phoenix Islands)
HZD_57 Cape (South Africa)
HZD_58 Camp Area Astro (Camp McMurdo Area, Antarctica)
HZD_59 S-JTSK
HZD_6 Adindan (Burkina Faso)
HZD_60 Carthage (Tunisia)
HZD_61 Compensation G‚od‚tique du Qu‚bec 1977
HZD_62 Chatham 1971 (Chatham Island, New Zealand)
HZD_63 Chua Astro (Paraguay)
HZD_64 Corrego Alegre (Brazil)
HZD_65 Conakry Pyramid of the Service Geographique (Guinea)
HZD_66 Guyana CSG67
HZD_67 Dabola (Guinea)
HZD_68 DCS-3 Lighthouse, Saint Lucia, Lesser Antilles
HZD_69 Deception Island, Antarctica
HZD_7 Adindan (Cameroon)
HZD_70 GUX 1 Astro (Guadacanal Island)
HZD_71 Dominica Astro M-12, Dominica, Lesser Antilles
HZD_72 Easter Island 1967 (Easter Island)
HZD_73 Wake-Eniwetok 1960 (Marshall Islands)
HZD_75 European 1950 (Western Europe)
HZD_76 European 1950 (Greece)
HZD_77 European 1950 (Norway and Finland)
HZD_78 European 1950 (Portugal and Spain)
HZD_79 European 1950 (Cyprus)
HZD_8 Adindan (mean value)
HZD_80 European 1950 (Egypt)
HZD_81 European 1950 (England, Channel Islands, Scotland, and Shetland Islands)
HZD_82 European 1950 (Iran)
HZD_83 European 1950 (Sardinia)
HZD_84 European 1950 (Sicily)
HZD_85 European 1950 (British Isles)
HZD_86 European 1950 (Malta)
HZD_87 European 1950 (mean value)
HZD_88 European 1950 (Iraq, Israel, Jordan, Kuwait, Lebanon, Saudi Arabia, and Syria)
HZD_89 European 1950 (Tunisia)
HZD_9 Afgooye (Somalia)
HZD_90 European 1979 (mean value)
HZD_91 European Terrestrial Reference System 1989 (ETRS89)
HZD_92 Oman (Oman)
HZD_93 Observatorio Meteorologico 1939 (Corvo and Flores Islands, Azores)
HZD_94 Fort Thomas 1955 (Nevis, St Kitts, Leeward Islands)
HZD_95 Gan 1970 (Addu Atoll, Republic of Maldives)
HZD_96 Gandajika Base (Zaire)
HZD_97 Geocentric Datum of Australia (GDA)
HZD_98 GDZ80 (China)
HZD_99 Geodetic Datum 1949 (New Zealand)

Used by

ZI010 Horizontal Coordinate Metadata