135th meridian west

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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.

Contents

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

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

Co-ordinatesCountry, territory or seaNotes
90°0′N135°0′W / 90.000°N 135.000°W / 90.000; -135.000 (Arctic Ocean) Arctic Ocean
74°33′N135°0′W / 74.550°N 135.000°W / 74.550; -135.000 (Beaufort Sea) Beaufort Sea
69°28′N135°0′W / 69.467°N 135.000°W / 69.467; -135.000 (Canada) Flag of Canada (Pantone).svg  Canada Northwest TerritoriesRichards Island and mainland, passing through Aklavik
Yukon — from 67°0′N135°0′W / 67.000°N 135.000°W / 67.000; -135.000 (Yukon) (passing just east of Whitehorse at 60°43′N135°3′W / 60.717°N 135.050°W / 60.717; -135.050 )
British Columbia — from 60°0′N135°0′W / 60.000°N 135.000°W / 60.000; -135.000 (British Columbia)
59°19′N135°0′W / 59.317°N 135.000°W / 59.317; -135.000 (United States) Flag of the United States (23px).png  United States AlaskaAlaska Panhandle (mainland)
58°47′N135°0′W / 58.783°N 135.000°W / 58.783; -135.000 (Lynn Canal) Lynn Canal
58°31′N135°0′W / 58.517°N 135.000°W / 58.517; -135.000 (United States) Flag of the United States (23px).png  United States AlaskaLincoln Island
58°29′N135°0′W / 58.483°N 135.000°W / 58.483; -135.000 (Lynn Canal) Lynn Canal Passing just west of Admiralty Island, Alaska, Flag of the United States (23px).png  United States (at 58°21′N134°57′W / 58.350°N 134.950°W / 58.350; -134.950 (Admiralty Island) )
58°3′N135°0′W / 58.050°N 135.000°W / 58.050; -135.000 (United States) Flag of the United States (23px).png  United States AlaskaChichagof Island and Baranof Island
56°29′N135°0′W / 56.483°N 135.000°W / 56.483; -135.000 (Pacific Ocean) Pacific Ocean
23°6′S135°0′W / 23.100°S 135.000°W / -23.100; -135.000 (French Polynesia) Flag of French Polynesia.svg  French Polynesia Island of Mangareva
23°7′S135°0′W / 23.117°S 135.000°W / -23.117; -135.000 (Pacific Ocean) Pacific Ocean
60°0′S135°0′W / 60.000°S 135.000°W / -60.000; -135.000 (Southern Ocean) Southern Ocean
74°31′S135°0′W / 74.517°S 135.000°W / -74.517; -135.000 (Antarctica) Antarctica Unclaimed territory

See also

References

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