45th meridian west
# 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.

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 / ﻿90.000°N 45.000°W﻿ / 90.000; -45.000﻿ (Arctic Ocean) Arctic Ocean 83°41′N 45°0′W﻿ / ﻿83.683°N 45.000°W﻿ / 83.683; -45.000﻿ (Lincoln Sea) Lincoln Sea 83°8′N 45°0′W﻿ / ﻿83.133°N 45.000°W﻿ / 83.133; -45.000﻿ (Greenland)  Greenland Nansen Land 82°51′N 45°0′W﻿ / ﻿82.850°N 45.000°W﻿ / 82.850; -45.000﻿ (J.P. Koch Fjord) J.P. Koch Fjord 82°46′N 45°0′W﻿ / ﻿82.767°N 45.000°W﻿ / 82.767; -45.000﻿ (Greenland)  Greenland Freuchen Land 82°36′N 45°0′W﻿ / ﻿82.600°N 45.000°W﻿ / 82.600; -45.000﻿ (Nordenskiöld Fjord) Nordenskiöld Fjord 82°31′N 45°0′W﻿ / ﻿82.517°N 45.000°W﻿ / 82.517; -45.000﻿ (Greenland)  Greenland Island of Nares Land 82°3′N 45°0′W﻿ / ﻿82.050°N 45.000°W﻿ / 82.050; -45.000﻿ (Victoria Fjord) Victoria Fjord 81°46′N 45°0′W﻿ / ﻿81.767°N 45.000°W﻿ / 81.767; -45.000﻿ (Greenland)  Greenland C. H. Ostenfeldt Glacier 60°5′N 45°0′W﻿ / ﻿60.083°N 45.000°W﻿ / 60.083; -45.000﻿ (Atlantic Ocean) Atlantic Ocean 1°17′S 45°0′W﻿ / ﻿1.283°S 45.000°W﻿ / -1.283; -45.000﻿ (Brazil)  Brazil Maranhão — Mirinzal Island 1°24′S 45°0′W﻿ / ﻿1.400°S 45.000°W﻿ / -1.400; -45.000﻿ (Atlantic Ocean) Atlantic Ocean 1°30′S 45°0′W﻿ / ﻿1.500°S 45.000°W﻿ / -1.500; -45.000﻿ (Brazil)  Brazil Maranhão Piauí — from 7°29′S 45°0′W﻿ / ﻿7.483°S 45.000°W﻿ / -7.483; -45.000﻿ (Piauí) Bahia — from 10°54′S 45°0′W﻿ / ﻿10.900°S 45.000°W﻿ / -10.900; -45.000﻿ (Bahia) Minas Gerais — from 14°40′S 45°0′W﻿ / ﻿14.667°S 45.000°W﻿ / -14.667; -45.000﻿ (Minas Gerais) São Paulo — from 22°27′S 45°0′W﻿ / ﻿22.450°S 45.000°W﻿ / -22.450; -45.000﻿ (São Paulo) 23°24′S 45°0′W﻿ / ﻿23.400°S 45.000°W﻿ / -23.400; -45.000﻿ (Atlantic Ocean) Atlantic Ocean 60°0′S 45°0′W﻿ / ﻿60.000°S 45.000°W﻿ / -60.000; -45.000﻿ (Southern Ocean) Southern Ocean 60°40′S 45°0′W﻿ / ﻿60.667°S 45.000°W﻿ / -60.667; -45.000﻿ (South Orkney Islands) South Orkney Islands Powell Island — claimed by both Argentina (Tierra del Fuego Province) and United Kingdom (British Antarctic Territory) 60°43′S 45°0′W﻿ / ﻿60.717°S 45.000°W﻿ / -60.717; -45.000﻿ (Southern Ocean) Southern Ocean 78°15′S 45°0′W﻿ / ﻿78.250°S 45.000°W﻿ / -78.250; -45.000﻿ (Antarctica) Antarctica Claimed by both Argentina (Argentine Antarctica) and United Kingdom (British Antarctic Territory)
