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The International Date Line ( IDL) is the line between the South and North Poles that is the boundary between one calendar day and the next. It passes through the Pacific Ocean, roughly following the 180.0° line of longitude and deviating to pass around some territories and island groups.
The International Date Line is the boundary where each calendar day starts and is also known as the “Line of Demarcation” because it separates two calendar dates: When you cross the date line traveling east, you subtract a day, and if you cross the line traveling west, you add a day.
- The dateline runs from the North Pole to the South Pole and marks the divide between the Western and Eastern Hemisphere. It is not straight but zig...
- When you cross the International Date Line from west to east, you subtract a day, and if you cross the line from east to west, you add a day.Depend...
- Every day between 10:00 and 11:59 UTC, three different dates on the calendar are in use at the same time on Earth. For example, our Time Zone Conve...
- The dateline is not defined by international law. Countries are free to choose the date and time zone that they want to observe.For example, when t...
International Date Line, imaginary line extending between the North Pole and the South Pole and arbitrarily demarcating each calendar day from the next. It corresponds along most of its length to the 180th meridian of longitude but deviates eastward through the Bering Strait to avoid dividing Siberia and then deviates westward to include the ...
- The Editors of Encyclopaedia Britannica
Apr 4, 2021 · The International Date Line (IDL) is an imaginary line that runs from the North to the South Pole and separates two calendar days.
- John Misachi
Sep 10, 2019 · The international date line is an imaginary line that separates one day from another on the globe, but it's not a perfectly straight line.
- Matt Rosenberg
Jun 16, 2024 · The international date line, established in 1884, passes through the mid-Pacific Ocean and roughly follows a 180 degrees longitude north-south line on the Earth. It is located halfway around the world from the prime meridian — the 0 degrees longitude line in Greenwich, England.
Jun 23, 2021 · The international date line (IDL) is an imaginary line that runs along the Earth's surface from the North Pole to the South Pole in the middle of the Pacific Ocean. When you cross it, you...
