Question

A line passing through ${180}^o$ meridian which is diametrically opposite to the Greenwich line is adopted as _________.

• A. Equator
• B. International Date Line
• C. Tropical lines
• D. Tropic of Cancer

Answer 1

The correct option is B International Date Line

• 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 zero degrees longitude established in Greenwich, England, in 1852.
• The International Date Line (IDL) is an imaginary line of longitude on the Earth's surface located at about 180 degrees east (or west) of the Greenwich Meridian.
• The dateline is shown as an uneven black vertical line in the Time Zone Map above and marks the divide where the date changes by one day.