The IDl makes a difference to the schedule of the traffic world wide
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Answer:
The International Date Line (IDL) is an imaginary — and arbitrary — line on Earth's surface that runs from the North Pole to the South Pole. When you cross the IDL, the day and date change. If you cross it traveling westward, the day goes forward by one, and the date increases by one. If you cross it traveling eastward, the opposite occurs.
The IDL is not a matter of international law, but it's one of the few standards embraced globally. The IDL is crucial for global interconnectivity, instantaneous communication, time measurement and consistent international databases. It's mostly about convenience, commerce, and politics. The IDL happened for much the same reasons as the emergence of the Internet — it works, and it makes life a little bit easier. Before discussing how and why the International Date Line came to be, we should first review the matter of keeping time.