The meridian 105° west of
Greenwich is a line of
longitude 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 axis of rotation meets its surface. It is called the True North Pole to distinguish from the Magn ...
across the
Arctic Ocean
The Arctic Ocean is the smallest and shallowest of the world's five major oceans. It spans an area of approximately and is known as the coldest of all the oceans. The International Hydrographic Organization (IHO) recognizes it as an ocean, a ...
,
North America, the
Pacific Ocean, the
Southern Ocean, 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, it contains the geographic South Pole. Antarctica is the fifth-largest contine ...
to the
South Pole.
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.
Any arc of a great circle is a geodesic of the sphere, so that great circles in spherical geometry ...
with the
75th meridian east.
It serves as the reference
meridian
Meridian or a meridian line (from Latin ''meridies'' via Old French ''meridiane'', meaning “midday”) may refer to
Science
* Meridian (astronomy), imaginary circle in a plane perpendicular to the planes of the celestial equator and horizon
* ...
for the seventh
time zone west of
Greenwich, known as
UTC-07 or the
Mountain Time Zone in
North America.
In the
United States,
Interstate Highway I-25 roughly parallels the meridian from
Douglas, Wyoming
Douglas is a city in Converse County, Wyoming, United States. The population was 6,120 at the 2010 census. It is the county seat of Converse County and the home of the Wyoming State Fair.
History
Douglas was platted in 1886 when the Wyoming ...
to
Las Vegas, New Mexico, and from
Wellington, Colorado
Wellington is a statutory town in Larimer County, Colorado, United States. The population was 11,047 at the 2020 census.
Geography
Wellington is located at (40.702324, -105.005497).
According to the United States Census Bureau, the town ha ...
to the Prospect Road interchange (in
Fort Collins, Colorado), I-25 happens to be almost exactly aligned along the 105th meridian west. The meridian bisects
Denver, Colorado, passing through
Denver Union Station. 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
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 axis of rotation meets its surface. It is called the True North Pole to distinguish from the Magn ...
and heading south to the
South Pole, the 105th meridian west passes through:
:
See also
*
104th meridian west
The meridian 104° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.
The 104th meridian west forms a great ...
*
106th meridian west
The meridian 106° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.
106°W is the Third Meridian of the Do ...
{{geographical coordinates, state=collapsed
w105 meridian west