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135th meridian west

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Line across the Earth
135°
135th meridian west

The meridian 135° west of Greenwich is a line of longitude[1] 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 135th meridian west forms a great circle with the 45th meridian east.

The Alaska Time Zone is based on the mean solar time of this meridian.

From Pole to Pole

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Starting at the North Pole and heading south to the South Pole, the 135th meridian west passes through:

Co-ordinates Country, territory or sea Notes
90°0′N 135°0′W / 90.000°N 135.000°W / 90.000; -135.000 (Arctic Ocean) Arctic Ocean
74°33′N 135°0′W / 74.550°N 135.000°W / 74.550; -135.000 (Beaufort Sea) Beaufort Sea
69°28′N 135°0′W / 69.467°N 135.000°W / 69.467; -135.000 (Canada)  Canada Northwest TerritoriesRichards Island and mainland, passing through Aklavik
Yukon — from 67°0′N 135°0′W / 67.000°N 135.000°W / 67.000; -135.000 (Yukon) (passing just east of Whitehorse at 60°43′N 135°3′W / 60.717°N 135.050°W / 60.717; -135.050)
British Columbia — from 60°0′N 135°0′W / 60.000°N 135.000°W / 60.000; -135.000 (British Columbia)
59°19′N 135°0′W / 59.317°N 135.000°W / 59.317; -135.000 (United States)  United States AlaskaAlaska Panhandle (mainland)
58°47′N 135°0′W / 58.783°N 135.000°W / 58.783; -135.000 (Lynn Canal) Lynn Canal
58°31′N 135°0′W / 58.517°N 135.000°W / 58.517; -135.000 (United States)  United States AlaskaLincoln Island
58°29′N 135°0′W / 58.483°N 135.000°W / 58.483; -135.000 (Lynn Canal) Lynn Canal Passing just west of Admiralty Island, Alaska,  United States (at 58°21′N 134°57′W / 58.350°N 134.950°W / 58.350; -134.950 (Admiralty Island))
58°3′N 135°0′W / 58.050°N 135.000°W / 58.050; -135.000 (United States)  United States AlaskaChichagof Island and Baranof Island
56°29′N 135°0′W / 56.483°N 135.000°W / 56.483; -135.000 (Pacific Ocean) Pacific Ocean
23°6′S 135°0′W / 23.100°S 135.000°W / -23.100; -135.000 (French Polynesia)  French Polynesia Island of Mangareva
23°7′S 135°0′W / 23.117°S 135.000°W / -23.117; -135.000 (Pacific Ocean) Pacific Ocean
60°0′S 135°0′W / 60.000°S 135.000°W / -60.000; -135.000 (Southern Ocean) Southern Ocean
74°31′S 135°0′W / 74.517°S 135.000°W / -74.517; -135.000 (Antarctica) Antarctica Unclaimed territory

See also

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References

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  1. ^ "What is longitude?". oceanservice.noaa.gov. Retrieved 30 June 2025.