The meridian 105° west of

Greenwich Greenwich ( , , ) is an List of areas of London, area in south-east London, England, within the Ceremonial counties of England, ceremonial county of Greater London, east-south-east of Charing Cross. Greenwich is notable for its maritime hi ...

is a line of

longitude Longitude (, ) is a geographic coordinate that specifies the east- west position of a point on the surface of the Earth, or another celestial body. It is an angular measurement, usually expressed in degrees and denoted by the Greek lett ...

that extends from the

North Pole The North Pole, also known as the Geographic North Pole or Terrestrial North Pole, is the point in the Northern Hemisphere where the Earth's rotation, Earth's axis of rotation meets its surface. It is called the True North Pole to distingu ...

across the

Arctic Ocean The Arctic Ocean is the smallest and shallowest of the world's five oceanic divisions. It spans an area of approximately and is the coldest of the world's oceans. The International Hydrographic Organization (IHO) recognizes it as an ocean, ...

North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...

, the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...

, the

Southern Ocean The Southern Ocean, also known as the Antarctic Ocean, comprises the southernmost waters of the world ocean, generally taken to be south of 60th parallel south, 60° S latitude and encircling Antarctica. With a size of , it is the seco ...

, and

Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean (also known as the Antarctic Ocean), it contains the geographic South Pole. ...

to the

South Pole The South Pole, also known as the Geographic South Pole or Terrestrial South Pole, is the point in the Southern Hemisphere where the Earth's rotation, Earth's axis of rotation meets its surface. It is called the True South Pole to distinguish ...

. The 105th meridian west forms a

great circle In mathematics, a great circle or orthodrome is the circular intersection of a sphere and a plane passing through the sphere's center point. Discussion Any arc of a great circle is a geodesic of the sphere, so that great circles in spher ...

with the 75th meridian east. It serves as the reference meridian for the seventh

time zone A time zone is an area which observes a uniform standard time for legal, Commerce, commercial and social purposes. Time zones tend to follow the boundaries between Country, countries and their Administrative division, subdivisions instead of ...

west of

, known as UTC-07 or the

Mountain Time Zone The Mountain Time Zone of North America keeps time by subtracting seven hours from Coordinated Universal Time (UTC) when standard time ( UTC−07:00) is in effect, and by subtracting six hours during daylight saving time ( UTC−06:00). The ...

. In the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

, Interstate Highway I-25 roughly parallels the meridian from

Douglas, Wyoming Douglas is a city in and the county seat of Converse County, Wyoming, United States. The population was 6,386 at the 2020 United States census, 2020 census. It is the home of the Wyoming State Fair. History Douglas was platted in 1886 when the ...

Las Vegas, New Mexico Las Vegas, often known simply as Vegas, is a city in and the county seat of San Miguel County, New Mexico, United States. Once two separate municipalities (one a city and the other a town), both were named Las Vegas: West Las Vegas ("Old Town" ...

, and from Wellington, Colorado to the Prospect Road interchange (in

Fort Collins, Colorado Fort Collins is a List of municipalities in Colorado#Home rule municipality, home rule municipality in Larimer County, Colorado, United States, and its county seat. The population was 169,810 at the 2020 United States census, 2020 census, an i ...

), I-25 happens to be almost exactly aligned along the 105th meridian west. The meridian bisects

Denver, Colorado Denver ( ) is a List of municipalities in Colorado#Consolidated city and county, consolidated city and county, the List of capitals in the United States, capital and List of municipalities in Colorado, most populous city of the U.S. state of ...

, passing through

Denver Union Station Denver Union Station is the main railway station and central transportation hub in Denver, Colorado. It is located at 17th and Wynkoop Streets in the present-day LoDo district and includes the historic station house, a modern open-air train sh ...

. Throughout the Denver metro area, Kalamath Street is the road that most closely corresponds to the 105th meridian.

From Pole to Pole

Starting at the

and heading south to the

, the 105th meridian west passes through: :

References

{{Reflist w105 meridian west

From Pole to Pole

See also

References