Question

Why is the IDL not straight line like 180 degree meridian ?​

Answer 1

Answer:

The international date is not a straight line but a zigzag line as it enables to avoid crossing any land mass. Passing through a land mass would mean that the land mass would have two dates at the same time, which would be very inconvenient. tHIS is why idl is not a straight line like the 180 meridian.

Explanation:

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Answer 2

Explanation:

If the line was straight, then it could pass through some territories and island groups. This will result in the increase of a day on the same island and a country which would create a massive confusion among the civilians. To prevent this confusion, the line is deviated roughly following the 180° line of longitude.