Question

Which of the following statements is true about the International Date Line (IDL)?

• A. A day is lost on crossing IDL from West to East.
• B. A day is gained on crossing IDL from East to West.
• C. It acts as a "line of demarcation" seperating two consecutive calender dates.
• D. IDL is just another name for the Prime Meridian.

Answer 1

The correct option is C It acts as a "line of demarcation" seperating two consecutive calender dates.

The International Date Line (IDL) functions as a "line of demarcation" seperating two consecutive calender dates. On crossing the IDL from East to West, a day is lost. On crossing it from West to East, a day is gained.