Question

What are the 2 major uses of international date line

Answer 1

To determine the date and time
It can also be used to determine the time of a place

Answer 2

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.

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