Lihat sumber Meridian utama

[[Berkas:Primemeridian.jpg|180px|jmpl|ka|Lokasi Meridian utama]]
[[Berkas:Equator and Prime Meridian.svg|jmpl|300px|Negara-negara yang berada pada garis [[khatulistiwa]] (merah), sedangkan biru adalah negara-negara yang berada pada garis '''meridian utama'''.]]

'''Meridian utama''' ({{lang-en|prime meridian}}) adalah [[meridian]] (garis [[bujur]]) yang bujurnya terletak di 0°.

Saat ini, meridian utama yang digunakan secara internasional adalah [[garis bujur]] [[Meridian utama Greenwich|Greenwich]], yang berawal dari [[Kutub Utara]], melewati kota [[Greenwich]], [[London Raya]] di [[Inggris]], [[Prancis]], [[Spanyol]], [[Aljazair]], [[Mali]], [[Burkina Faso]], [[Togo]], dan [[Ghana]], dan berakhir di [[Kutub Selatan]].

:{| class="wikitable plainrowheaders"
! scope="col" width="125" | Koordinat<br />(approximate)
! scope="col" | Negara, wilayah, atau laut
! scope="col" | Catatan
|-
| style="background:#b0e0e6;" | {{Coord|90|0|N|0|0|E|type:waterbody|name=North Pole}}
! scope="row" style="background:#b0e0e6;" | [[Samudra Arktik]]
| style="background:#b0e0e6;" |
|-
| style="background:#b0e0e6;" | {{Coord|81|39|N|0|0|E|type:waterbody|name=Greenland Sea}}
! scope="row" style="background:#b0e0e6;" | [[Laut Greenland]]
| style="background:#b0e0e6;" |
|-
| style="background:#b0e0e6;" | {{Coord|72|53|N|0|0|E|type:waterbody|name=Norwegian Sea}}
! scope="row" style="background:#b0e0e6;" | [[Laut Norwegia]]
| style="background:#b0e0e6;" |
|-
| style="background:#b0e0e6;" | {{Coord|61|0|N|0|0|E|type:waterbody|name=North Sea}}
! scope="row" style="background:#b0e0e6;" | [[Laut Utara]]
| style="background:#b0e0e6;" |
|-valign="top"
| {{Coord|53|45|N|0|0|E|type:country|name=United Kingdom}}
! scope="row" | {{UK}}
| Dari [[Tunstall, East Riding of Yorkshire|Tunstall di East Riding]] menuju [[Peacehaven]]
|-
| style="background:#b0e0e6;" | {{Coord|50|47|N|0|0|E|type:waterbody|name=English Channel}}
! scope="row" style="background:#b0e0e6;" | [[Selat Inggris]]
| style="background:#b0e0e6;" |
|-valign="top"
| {{Coord|49|19|N|0|0|E|type:country|name=France}}
! scope="row" | {{FRA}}
| Dari [[Villers-sur-Mer]] menuju [[Gavarnie]]
|-
| {{Coord|42|41|N|0|0|E|type:country|name=Spain}}
! scope="row" | {{ESP}}
| Dari [[Cilindro de Marboré]] menuju [[Castellón de la Plana]]
|-
| style="background:#b0e0e6;" | {{Coord|39|56|N|0|0|E|type:waterbody|name=Mediterranean Sea}}
! scope="row" style="background:#b0e0e6;" | [[Laut Mediterania]]
| style="background:#b0e0e6;" | [[Teluk Valencia]]
|-
| {{Coord|38|52|N|0|0|E|type:country|name=Spain}}
! scope="row" | {{ESP}}
|Dari [[El Verger]] menuju [[Calpe]]
|-
| style="background:#b0e0e6;" | {{Coord|38|38|N|0|0|E|type:waterbody|name=Mediterranean Sea}}
! scope="row" style="background:#b0e0e6;" | [[Laut Mediterania]]
| style="background:#b0e0e6;" |
|-
| {{Coord|35|50|N|0|0|E|type:country|name=Algeria}}
! scope="row" | {{DZA}}
|Dari [[Stidia]] menuju perbatasan Aljazair-Mali dekat [[Bordj Mokhtar]]
|-
| {{Coord|21|50|N|0|0|E|type:country|name=Mali}}
! scope="row" | {{MLI}}
|
|-
| {{Coord|14|59|N|0|0|E|type:country|name=Burkina Faso}}
! scope="row" | {{BFA}}
|
|-
| {{Coord|11|6|N|0|0|E|type:country|name=Togo}}
! scope="row" | {{TOG}}
| Sepanjang 600 m
|-
| {{Coord|11|6|N|0|0|E|type:country|name=Ghana}}
! scope="row" | {{GHA}}
| Sepanjang 16&nbsp;km
|-
| {{Coord|10|57|N|0|0|E|type:country|name=Togo}}
! scope="row" | {{TOG}}
| Sepanjang 39&nbsp;km
|-
| {{Coord|10|36|N|0|0|E|type:country|name=Ghana}}
! scope="row" | {{GHA}}
| Dari perbatasan Togo-Ghana dekat [[Bunkpurugu]] menuju [[Tema, Ghana|Tema]]<br>melalui [[Danau Volta]] di {{coord|7|48|N|0|0|E|type:waterbody_region:GH|name=Lake Volta}}
|-
| style="background:#b0e0e6;" | {{Coord|5|37|N|0|0|E|type:waterbody|name=Atlantic Ocean}}
! scope="row" style="background:#b0e0e6;" | [[Samudra Atlantik]]
| style="background:#b0e0e6;" | Melalui [[garis khatulistiwa]] di {{Coord|0|0|N|0|0|E|type:landmark|name=Equator}}
|-
| style="background:#b0e0e6;" | {{Coord|60|0|S|0|0|E|type:waterbody|name=Southern Ocean}}
! scope="row" style="background:#b0e0e6;" | [[Samudra Selatan]]
| style="background:#b0e0e6;" |
|-valign="top"
| {{Coord|68|54|S|0|0|E|type:country|name=Antarctica}}
! scope="row" | [[Antarktika]]
| [[Queen Maud Land]], [[List of Antarctic territorial claims|diklaim]] oleh {{NOR}}
|-
|}

== Pranala luar ==
* {{gutenberg|no=17759|name=International Conference Held at Washington for the Purpose of Fixing a Prime Meridian}}
* [http://www.ucolick.org/~sla/leapsecs/scans-meridian.html scanned TIFFs of the conference proceedings]
* [http://wwp.greenwichmeantime.com/info/prime-meridian.htm Prime meridians in use in the 1880s, by country] {{Webarchive|url=https://web.archive.org/web/20061029234822/http://wwp.greenwichmeantime.com/info/prime-meridian.htm |date=2006-10-29 }}
* [http://www.flickr.com/photos/20683202@N00/324876051/ Canadian Prime Meridian]
{{geo-stub}}

[[Kategori:Zona waktu]]
[[Kategori:Garis bujur| ]]
[[Kategori:Geodesi]]