Question

(B) Explain the concept.
International Date Line
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Answer 1

Answer:

The International Date Line serves as the "line of demarcation" between two consecutive calendar dates. ... 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.

simple answer :-

International Date Line is an imaginary line that runs across the surface of the earth at 1800 longitude. Since this longitude is diametrically opposite to that of the Greenwich Meridian, it results in a difference of 24 hours on crossing the line.13-Jul-2016

An example of the international date line is when it's 3pm on Sunday in Samoa, it's 3pm on Monday right across the line, just 550 miles away in Tonga

Answer 2

The International Date Line, shown here as a yellow line, defines the boundary between calendar dates. 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..

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