What is meant by IDL ? State its importance.

1.	What is meant by IDL ? State its importance.
Answer» IDL means the International Date Line, which is along 180° E & W. The date or day changes while crossing this line i.e. while there is Monday in the Eastern Hemisphere i.e. 0° – 180°E, there will be Sunday in the Western Hemisphere i. e. 0° – 180° W.

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