The 180° longitude is significant because it marks the location of the International Date Line (IDL), an imaginary line running from the North Pole to the South Pole. The IDL is where the date changes, moving from one calendar day to the next. When you cross the International Date Line from east to west, you subtract a day, and when you cross it from west to east, you add a day. Although the line is mostly along the 180° longitude, it is adjusted to avoid dividing countries into different dates. This line helps standardize time and date across the globe.
This question related to Chapter 1 Social Science Class 6th NCERT.
From the Chapter 1. Locating Places on the Earth.
Give answer according to your understanding.
It is the basis for the International Date Line.
Explanation: It divides the Earth into two hemispheres for timekeeping.
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