Question

which is longtidue is know as the international date line ?​

Answer 1

Greenwich meridian is known as the international date line.

Answer 2

Answer:

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 round the world from the prime meridian—the zero degrees longitude established in Greenwich, England, in 1852.