45th meridian west
The meridian 45° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Greenland, the Atlantic Ocean, South America, the Southern Ocean, and Antarctica to the South Pole.
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45°
45th meridian west
In Greenland the meridian defines the borders of Avannaata, Qeqertalik, and Qeqqata municipalities with the Sermersooq municipality and the North East Greenland National Park.
The 45th meridian west forms a great circle with the 135th meridian east, and it is the reference meridian for the time zone UTC-3.
From Pole to Pole
Starting at the North Pole and heading south to the South Pole, the 45th meridian west passes through:
Co-ordinates Country, territory or sea Notes 90°0′N 45°0′W Arctic Ocean 83°41′N 45°0′W Lincoln Sea 83°8′N 45°0′W 
Nansen Land 82°51′N 45°0′W J.P. Koch Fjord 82°46′N 45°0′W Freuchen Land 82°36′N 45°0′W Nordenskiöld Fjord 82°31′N 45°0′W Island of Nares Land 82°3′N 45°0′W Victoria Fjord 81°46′N 45°0′W C. H. Ostenfeldt Glacier 60°5′N 45°0′W Atlantic Ocean 1°17′S 45°0′W 
Maranhão — Mirinzal Island 1°24′S 45°0′W Atlantic Ocean 1°30′S 45°0′W Maranhão
Piauí — from 7°29′S 45°0′W
Bahia — from 10°54′S 45°0′W
Minas Gerais — from 14°40′S 45°0′W
São Paulo — from 22°27′S 45°0′W23°24′S 45°0′W Atlantic Ocean 60°0′S 45°0′W Southern Ocean 60°40′S 45°0′W South Orkney Islands Powell Island — claimed by both 
60°43′S 45°0′W Southern Ocean 78°15′S 45°0′W Antarctica Claimed by both
See also
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