1.

Why is the IDL not a straight line like the 1800 meridian?

Answer»
  • Attempt has been made to make the IDL pass through the Pacific Ocean completely.
  • Had it passed through a land or some islands, the people there would have had to follow different dates and timings because dates would have been different on their Eastern and Western parts. 
  • Also, it would have been difficult to know when one crosses the IDL on land, and when the date changes on the calendar. 
  • Therefore, the IDL is not a straight line like the 1 180° Meridian. At places, it turns East while at other places, it turns West.


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