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150th meridian west

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Line of longitude
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(June 2025) (Learn how and when to remove this message)
Line across the Earth
150°
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Themeridian 150° west ofGreenwich is a line oflongitude[1] that extends from theNorth Pole across theArctic Ocean,North America (entirely within the State ofAlaska), thePacific Ocean, theSouthern Ocean, andAntarctica to theSouth Pole.

InAntarctica, the meridian defines the eastern limit ofNew Zealand's territorial claim. The land further east is not claimed by any nation except themicronation ofWestarctica, which is not recognized by any UN member state.

The 150th meridian west forms agreat ellipse with the30th meridian east.

TheHawaii–Aleutian Time Zone andLine Islands Time Zone is based on themean solar time of this meridian.

From Pole to Pole

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Starting at theNorth Pole and heading south to theSouth Pole, the 150th meridian west passes through:

Co-ordinatesCountry, territory or seaNotes
90°0′N150°0′W / 90.000°N 150.000°W /90.000; -150.000 (Arctic Ocean)Arctic Ocean
72°20′N150°0′W / 72.333°N 150.000°W /72.333; -150.000 (Beaufort Sea)Beaufort Sea
70°28′N150°0′W / 70.467°N 150.000°W /70.467; -150.000 (United States) United StatesAlaska - passing throughAnchorage (at61°12′N150°0′W / 61.200°N 150.000°W /61.200; -150.000 (Anchorage))
59°39′N150°0′W / 59.650°N 150.000°W /59.650; -150.000 (Pacific Ocean)Pacific OceanPassing just east ofCaroline Island, Kiribati (at9°56′S150°12′W / 9.933°S 150.200°W /-9.933; -150.200 (Caroline Island))
Passing just west ofMoorea island, French Polynesia (at17°30′S149°55′W / 17.500°S 149.917°W /-17.500; -149.917 (Caroline Island))
60°0′S150°0′W / 60.000°S 150.000°W /-60.000; -150.000 (Southern Ocean)Southern Ocean
76°32′S150°0′W / 76.533°S 150.000°W /-76.533; -150.000 (Antarctica)AntarcticaBorder betweenRoss Dependency,claimed by New Zealand, andunclaimed territory

See also

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References

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  1. ^"What is longitude?".oceanservice.noaa.gov. Retrieved30 June 2025.
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