Multiple choice

When a ship crosses the Date Line from west to east

  1. it loses one day

  2. it gains one day

  3. it loses half a day

  4. it gains half a day
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

When crossing the International Date Line from west to east, you move backward in time. For example, when it's Tuesday west of the line, it becomes Monday east of the line. This is why travelers 'lose a day' - they repeat the same calendar date. Crossing east to west has the opposite effect, gaining a day.

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