In other places, however, the IDL deviates east or west away from that meridian. Aleutian Islands (Attu Island being the westernmost) and the Commander Islands, which belong to Russia. 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.
These various deviations generally accommodate the political and/or economic affiliations of the affected areas. The IDL remains on the 180° meridian until passing the equator.
American Samoa, the Cook Islands, Niue, and French Polynesia are east of the IDL and one day behind. It follows that meridian until reaching Antarctica, which has multiple time zones.
Conventionally, the IDL is not drawn into Antarctica on most maps.
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The International Date Line (IDL) is an imaginary line of demarcation on the surface of Earth that runs from the North Pole to the South Pole and demarcates the change of one calendar day to the next.
Around the June solstice, the first area would be anyplace within the Kamchatka Time Zone (UTC 12) that is far enough north to experience midnight sun on the given date.A 1995 realignment of the IDL made Caroline Island one of the first points of land on Earth to reach January 1, 2000 on the calendar (UTC 14).As a result, this atoll was renamed Millennium Island.The IDL must therefore be observed in conjunction with the Earth's time zones: on crossing it in either direction, the calendar date is adjusted by one day.For the two hours between and UTC each day, three different calendar dates are observed at the same time in different places on Earth.(See § Cartographic practice and convention below.) A person who goes around the world from east to west (the same direction as Magellan's voyage) would gain or set their clock back one hour for every 15° of longitude crossed, and would gain 24 hours for one circuit of the globe from east to west if they did not compensate by setting their clock forward one day when they crossed the IDL.In contrast, a west-to-east circumnavigation of the globe loses an hour for every 15° of longitude crossed but gains back a day when crossing the IDL.See all the data for 190 economies: rankings for topics, indicator values, and detailed information like the steps required to start a business.Multi-city data available for 11 economies (Bangladesh, Brazil, China, India, Indonesia, Japan, Mexico, Nigeria, Pakistan, the Russian Federation and the United States) with populations over 100 million as of 2013.See all the data for a city or region within an economy: rankings for topics, indicator values, and detailed information like the steps required to start a business.Subnational reports have benchmarked 485 locations in 71 economies since 2005.