63rd meridian west

The meridian 63° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Greenland, North America, the Atlantic Ocean, South America, the Southern Ocean, and Antarctica to the South Pole.

The 63rd meridian west forms a great circle with the 117th meridian east.

In the Canadian province of Quebec, the 63rd meridian is used as a time zone boundary, with all land to its west falling within the Eastern Time Zone and all land to its east in the Atlantic Time Zone (never used DST).

From Pole to Pole
Starting at the North Pole and heading south to the South Pole, the 63rd meridian west passes through:


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! scope="col" width="120" | Co-ordinates ! scope="col" width="135" | Country, territory or sea ! scope="col" | Notes ! scope="row" style="background:#b0e0e6;" | Arctic Ocean ! scope="row" style="background:#b0e0e6;" | Lincoln Sea ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Nares Strait ! scope="row" | 🇬🇱 ! scope="row" style="background:#b0e0e6;" | Baffin Bay ! scope="row" style="background:#b0e0e6;" | Davis Strait ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Davis Strait ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Davis Strait ! scope="row" style="background:#b0e0e6;" | Atlantic Ocean ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Gulf of Saint Lawrence ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Gulf of Saint Lawrence ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Gulf of Saint Lawrence ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Gulf of Saint Lawrence ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Atlantic Ocean ! scope="row" | 🇦🇮 ! scope="row" style="background:#b0e0e6;" | Caribbean Sea ! scope="row" | 🇳🇱 ! scope="row" style="background:#b0e0e6;" | Caribbean Sea ! scope="row" | 🇻🇪 ! scope="row" | 🇧🇷 ! scope="row" | 🇧🇴 ! scope="row" | 🇦🇷 ! scope="row" style="background:#b0e0e6;" | Atlantic Ocean ! scope="row" style="background:#b0e0e6;" | Southern Ocean ! scope="row" | Antarctica ! scope="row" style="background:#b0e0e6;" | Southern Ocean ! scope="row" | Antarctica
 * style="background:#b0e0e6;" | 90°N, -63°W
 * style="background:#b0e0e6;" | 90°N, -63°W
 * style="background:#b0e0e6;" |
 * style="background:#b0e0e6;" | 83.36667°N, -63°W
 * style="background:#b0e0e6;" | 83.36667°N, -63°W
 * style="background:#b0e0e6;" |
 * 82.58333°N, -63°W
 * 82.58333°N, -63°W
 * Nunavut — Ellesmere Island
 * style="background:#b0e0e6;" | 81.9°N, -63°W
 * style="background:#b0e0e6;" | 81.9°N, -63°W
 * style="background:#b0e0e6;" |
 * 81.2°N, -63°W
 * 81.2°N, -63°W
 * Daugaard-Jensen Land
 * style="background:#b0e0e6;" | 76.33333°N, -63°W
 * style="background:#b0e0e6;" | 76.33333°N, -63°W
 * style="background:#b0e0e6;" |
 * style="background:#b0e0e6;" | 70°N, -63°W
 * style="background:#b0e0e6;" | 70°N, -63°W
 * style="background:#b0e0e6;" |
 * 67.28333°N, -63°W
 * 67.28333°N, -63°W
 * Nunavut — Baffin Island
 * style="background:#b0e0e6;" | 65.58333°N, -63°W
 * style="background:#b0e0e6;" | 65.58333°N, -63°W
 * style="background:#b0e0e6;" |
 * 65.3°N, -63°W
 * 65.3°N, -63°W
 * Nunavut — Muingmak Island
 * style="background:#b0e0e6;" | 65.26667°N, -63°W
 * style="background:#b0e0e6;" | 65.26667°N, -63°W
 * style="background:#b0e0e6;" |
 * style="background:#b0e0e6;" | 60°N, -63°W
 * style="background:#b0e0e6;" | 60°N, -63°W
 * style="background:#b0e0e6;" | Labrador Sea
 * -valign="top"
 * 58.88333°N, -63°W
 * Newfoundland and Labrador — Labrador Quebec — from 52°N, -63°W
 * -valign="top"
 * style="background:#b0e0e6;" | 50.3°N, -63°W
 * style="background:#b0e0e6;" | Jacques Cartier Strait
 * 49.73333°N, -63°W
 * 49.73333°N, -63°W
 * Quebec — Anticosti Island
 * -valign="top"
 * style="background:#b0e0e6;" | 49.2°N, -63°W
 * style="background:#b0e0e6;" |
 * 46.41667°N, -63°W
 * 46.41667°N, -63°W
 * Prince Edward Island
 * -valign="top"
 * style="background:#b0e0e6;" | 46.16667°N, -63°W
 * style="background:#b0e0e6;" | Hillsborough Bay
 * 46.06667°N, -63°W
 * 46.06667°N, -63°W
 * Prince Edward Island
 * -valign="top"
 * style="background:#b0e0e6;" | 46.05°N, -63°W
 * style="background:#b0e0e6;" | Northumberland Strait
 * 45.78333°N, -63°W
 * 45.78333°N, -63°W
 * Nova Scotia
 * style="background:#b0e0e6;" | 44.7°N, -63°W
 * style="background:#b0e0e6;" | 44.7°N, -63°W
 * style="background:#b0e0e6;" |
 * 18.26667°N, -63°W
 * 18.26667°N, -63°W
 * -valign="top"
 * style="background:#b0e0e6;" | 18.23333°N, -63°W
 * style="background:#b0e0e6;" | 18.23333°N, -63°W
 * style="background:#b0e0e6;" | Passing between Saint Martin (at 18.11667°N, -63.01667°W) and Île Tintamarre (at 18.11667°N, -62.98333°W), 🇲🇫 Passing just east of 🇸🇽 (at 18.05°N, -63.01667°W) Passing just west of 🇧🇱 (at 18.05°N, -63.01667°W)
 * 17.53333°N, -63°W
 * 17.53333°N, -63°W
 * Island of Sint Eustatius
 * -valign="top"
 * style="background:#b0e0e6;" | 17.5°N, -63°W
 * style="background:#b0e0e6;" | Passing just west of the island of Saint Kitts, 🇰🇳 (at 17.36667°N, -62.86667°W) Passing just east of the Los Testigos Islands, 🇻🇪 (at 11.36667°N, -63.06667°W)
 * 10.71667°N, -63°W
 * 10.71667°N, -63°W
 * -valign="top"
 * 3.61667°N, -63°W
 * 3.61667°N, -63°W
 * Roraima Amazonas — from 2.01667°N, -63°W Rondônia — from -7.98333°N, -63°W
 * -12.85°N, -63°W
 * -12.85°N, -63°W
 * -22°N, -63°W
 * -22°N, -63°W
 * -22°N, -63°W
 * style="background:#b0e0e6;" | -41.11667°N, -63°W
 * style="background:#b0e0e6;" | -41.11667°N, -63°W
 * style="background:#b0e0e6;" | -41.11667°N, -63°W
 * style="background:#b0e0e6;" |
 * -valign="top"
 * style="background:#b0e0e6;" | -60°N, -63°W
 * style="background:#b0e0e6;" | Passing just west of Smith Island, South Shetland Islands — claimed by 🇦🇷, and  (at -63.08333°N, -62.73333°W)
 * -valign="top"
 * -64.53333°N, -63°W
 * Anvers Island — claimed by 🇦🇷, and
 * style="background:#b0e0e6;" | -64.6°N, -63°W
 * style="background:#b0e0e6;" | -64.6°N, -63°W
 * style="background:#b0e0e6;" |
 * -valign="top"
 * -64.78333°N, -63°W
 * Claimed by 🇦🇷, and
 * }
 * }