From which country does international date line pass
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It includes Kiribati, Samoa, Tonga and Tokelau in the Eastern Hemisphere.
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The IDL is roughly based on the meridian of 180° longitude, roughly down the middle of the Pacific Ocean, and halfway around the world from the Greenwich meridian. In many places, the IDL follows the 180° meridian exactly. In other places, however, the IDL deviates east or west away from that meridian. These various deviations generally accommodate the political and/or economic affiliations of the affected areas.
Proceeding from north to south, the first deviation of the IDL from 180° is to pass to the east of Wrangel Island and the Chukchi Peninsula, the easternmost part of Russian Siberia. (Wrangel Island lies directly on the meridian at 71°32′N 180°0′E, also noted as 71°32′N 180°0′W.).It then passes through the Bering Strait between the Diomede Islands at a distance of 1.5 kilometres (0.93 mi) from each island at 168°58′37″ W. It then bends considerably west of 180°, passing west of St. Lawrence Island and At. Matthew Island.
The IDL crosses between the U.S. Aleutian Island (Attu Island being the westernmost) and the Commander Island, which belong to Russia. It then bends southeast again to return to 180°. Thus, all of Russia is to the west of the IDL, and all of the United States is to the east except for the insular areas of Guam, the Northern Mariana Islands, and Wake Island.
The IDL remains on the 180° meridian until passing the equator. Two US-owned uninhabited atolls, Howland Island and Baker Island, just north of the equator in the central Pacific Ocean (and ships at sea between 172.5°W and 180°), have the latest time on Earth ( UTC-12 hours).
The IDL circumscribes Kiribati by swinging far to the east, almost reaching the 150°W. Kiribati's easternmost islands, the southern Line Island south of Hawaii, have the most advanced time on Earth, UTC+14hours. South of Kiribati, the IDL returns westwards but remains east of 180°, passing between Samoaand American Samoa.
In much of this area, the IDL follows the 160°W meridian. Accordingly, Samoa, Tokulea, Wallis and Tokuna, Fiji, Tonga, Tuvalo and New Zealand's Karmadec Islands and Chatham Islands are all west of the IDL and have the same date. American Samoa, the Cook Islands, Niue, and French Polynesia are east of the IDL and one day behind.
The IDL then bends southwest to return to 180°. It follows that meridian until reaching Antarctica, which has multiple time zone. Conventionally, the IDL is not drawn into Antarctica on most maps.
Proceeding from north to south, the first deviation of the IDL from 180° is to pass to the east of Wrangel Island and the Chukchi Peninsula, the easternmost part of Russian Siberia. (Wrangel Island lies directly on the meridian at 71°32′N 180°0′E, also noted as 71°32′N 180°0′W.).It then passes through the Bering Strait between the Diomede Islands at a distance of 1.5 kilometres (0.93 mi) from each island at 168°58′37″ W. It then bends considerably west of 180°, passing west of St. Lawrence Island and At. Matthew Island.
The IDL crosses between the U.S. Aleutian Island (Attu Island being the westernmost) and the Commander Island, which belong to Russia. It then bends southeast again to return to 180°. Thus, all of Russia is to the west of the IDL, and all of the United States is to the east except for the insular areas of Guam, the Northern Mariana Islands, and Wake Island.
The IDL remains on the 180° meridian until passing the equator. Two US-owned uninhabited atolls, Howland Island and Baker Island, just north of the equator in the central Pacific Ocean (and ships at sea between 172.5°W and 180°), have the latest time on Earth ( UTC-12 hours).
The IDL circumscribes Kiribati by swinging far to the east, almost reaching the 150°W. Kiribati's easternmost islands, the southern Line Island south of Hawaii, have the most advanced time on Earth, UTC+14hours. South of Kiribati, the IDL returns westwards but remains east of 180°, passing between Samoaand American Samoa.
In much of this area, the IDL follows the 160°W meridian. Accordingly, Samoa, Tokulea, Wallis and Tokuna, Fiji, Tonga, Tuvalo and New Zealand's Karmadec Islands and Chatham Islands are all west of the IDL and have the same date. American Samoa, the Cook Islands, Niue, and French Polynesia are east of the IDL and one day behind.
The IDL then bends southwest to return to 180°. It follows that meridian until reaching Antarctica, which has multiple time zone. Conventionally, the IDL is not drawn into Antarctica on most maps.
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