<Tr> <Td> Map all microformatted coordinates </Td> </Tr> <Tr> <Td> Place data as RDF </Td> </Tr> <P> On Earth, starting at the North Pole and heading south to the South Pole, the IERS Reference Meridian (as of 2016) passes through: </P> <Dl> <Dd> <Table> <Tr> <Th> Co-ordinates (approximate) </Th> <Th> Country, territory or sea </Th> <Th> Notes </Th> </Tr> <Tr> <Td> 90 ° 0 ′ N 0 ° 0 ′ E ﻿ / ﻿ 90.000 ° N 0.000 ° E ﻿ / 90.000; 0.000 ﻿ (North Pole) </Td> <Th> Arctic Ocean </Th> <Td> </Td> </Tr> <Tr> <Td> 81 ° 39 ′ N 0 ° 0 ′ E ﻿ / ﻿ 81.650 ° N 0.000 ° E ﻿ / 81.650; 0.000 ﻿ (Greenland Sea) </Td> <Th> Greenland Sea </Th> <Td> </Td> </Tr> <Tr> <Td> 72 ° 53 ′ N 0 ° 0 ′ E ﻿ / ﻿ 72.883 ° N 0.000 ° E ﻿ / 72.883; 0.000 ﻿ (Norwegian Sea) </Td> <Th> Norwegian Sea </Th> <Td> </Td> </Tr> <Tr> <Td> 61 ° 0 ′ N 0 ° 0 ′ E ﻿ / ﻿ 61.000 ° N 0.000 ° E ﻿ / 61.000; 0.000 ﻿ (North Sea) </Td> <Th> North Sea </Th> <Td> </Td> </Tr> <Tr> <Td> 53 ° 45 ′ N 0 ° 0 ′ E ﻿ / ﻿ 53.750 ° N 0.000 ° E ﻿ / 53.750; 0.000 ﻿ (United Kingdom) </Td> <Th> United Kingdom </Th> <Td> From Tunstall in East Riding to Peacehaven, passing through Greenwich </Td> </Tr> <Tr> <Td> 50 ° 47 ′ N 0 ° 0 ′ E ﻿ / ﻿ 50.783 ° N 0.000 ° E ﻿ / 50.783; 0.000 ﻿ (English Channel) </Td> <Th> English Channel </Th> <Td> </Td> </Tr> <Tr> <Td> 49 ° 19 ′ N 0 ° 0 ′ E ﻿ / ﻿ 49.317 ° N 0.000 ° E ﻿ / 49.317; 0.000 ﻿ (France) </Td> <Th> France </Th> <Td> From Villers - sur - Mer to Gavarnie </Td> </Tr> <Tr> <Td> 42 ° 41 ′ N 0 ° 0 ′ E ﻿ / ﻿ 42.683 ° N 0.000 ° E ﻿ / 42.683; 0.000 ﻿ (Spain) </Td> <Th> Spain </Th> <Td> From Cilindro de Marboré to Castellón de la Plana </Td> </Tr> <Tr> <Td> 39 ° 56 ′ N 0 ° 0 ′ E ﻿ / ﻿ 39.933 ° N 0.000 ° E ﻿ / 39.933; 0.000 ﻿ (Mediterranean Sea) </Td> <Th> Mediterranean Sea </Th> <Td> Gulf of Valencia </Td> </Tr> <Tr> <Td> 38 ° 52 ′ N 0 ° 0 ′ E ﻿ / ﻿ 38.867 ° N 0.000 ° E ﻿ / 38.867; 0.000 ﻿ (Spain) </Td> <Th> Spain </Th> <Td> From El Verger to Calpe </Td> </Tr> <Tr> <Td> 38 ° 38 ′ N 0 ° 0 ′ E ﻿ / ﻿ 38.633 ° N 0.000 ° E ﻿ / 38.633; 0.000 ﻿ (Mediterranean Sea) </Td> <Th> Mediterranean Sea </Th> <Td> </Td> </Tr> <Tr> <Td> 35 ° 50 ′ N 0 ° 0 ′ E ﻿ / ﻿ 35.833 ° N 0.000 ° E ﻿ / 35.833; 0.000 ﻿ (Algeria) </Td> <Th> Algeria </Th> <Td> From Stidia to Algeria - Mali border near Bordj Mokhtar </Td> </Tr> <Tr> <Td> 21 ° 50 ′ N 0 ° 0 ′ E ﻿ / ﻿ 21.833 ° N 0.000 ° E ﻿ / 21.833; 0.000 ﻿ (Mali) </Td> <Th> Mali </Th> <Td> </Td> </Tr> <Tr> <Td> 14 ° 59 ′ N 0 ° 0 ′ E ﻿ / ﻿ 14.983 ° N 0.000 ° E ﻿ / 14.983; 0.000 ﻿ (Burkina Faso) </Td> <Th> Burkina Faso </Th> <Td> </Td> </Tr> <Tr> <Td> 11 ° 6 ′ N 0 ° 0 ′ E ﻿ / ﻿ 11.100 ° N 0.000 ° E ﻿ / 11.100; 0.000 ﻿ (Togo) </Td> <Th> Togo </Th> <Td> For about 600 m </Td> </Tr> <Tr> <Td> 11 ° 6 ′ N 0 ° 0 ′ E ﻿ / ﻿ 11.100 ° N 0.000 ° E ﻿ / 11.100; 0.000 ﻿ (Ghana) </Td> <Th> Ghana </Th> <Td> For about 16 km </Td> </Tr> <Tr> <Td> 10 ° 57 ′ N 0 ° 0 ′ E ﻿ / ﻿ 10.950 ° N 0.000 ° E ﻿ / 10.950; 0.000 ﻿ (Togo) </Td> <Th> Togo </Th> <Td> For about 39 km </Td> </Tr> <Tr> <Td> 10 ° 36 ′ N 0 ° 0 ′ E ﻿ / ﻿ 10.600 ° N 0.000 ° E ﻿ / 10.600; 0.000 ﻿ (Ghana) </Td> <Th> Ghana </Th> <Td> From the Togo - Ghana border near Bunkpurugu to Tema Passing through Lake Volta at 7 ° 48 ′ N 0 ° 0 ′ E ﻿ / ﻿ 7.800 ° N 0.000 ° E ﻿ / 7.800; 0.000 ﻿ (Lake Volta) </Td> </Tr> <Tr> <Td> 5 ° 37 ′ N 0 ° 0 ′ E ﻿ / ﻿ 5.617 ° N 0.000 ° E ﻿ / 5.617; 0.000 ﻿ (Atlantic Ocean) </Td> <Th> Atlantic Ocean </Th> <Td> Passing through the Equator at 0 ° 0 ′ N 0 ° 0 ′ E ﻿ / ﻿ 0.000 ° N 0.000 ° E ﻿ / 0.000; 0.000 ﻿ (Equator) ("Null Island") </Td> </Tr> <Tr> <Td> 60 ° 0 ′ S 0 ° 0 ′ E ﻿ / ﻿ 60.000 ° S 0.000 ° E ﻿ / - 60.000; 0.000 ﻿ (Southern Ocean) </Td> <Th> Southern Ocean </Th> <Td> </Td> </Tr> <Tr> <Td> 68 ° 54 ′ S 0 ° 0 ′ E ﻿ / ﻿ 68.900 ° S 0.000 ° E ﻿ / - 68.900; 0.000 ﻿ (Antarctica) </Td> <Th> Antarctica </Th> <Td> Queen Maud Land, claimed by Norway </Td> </Tr> </Table> </Dd> </Dl>

Where is the starting meridian for the longitude system