Multiple choice

When one crosses the International Date Line from west to east, then the date is said to be set back by�

  1. one hour

  2. twelve hours

  3. one day

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The International Date Line (IDL) is located at roughly 180 degrees longitude. When you cross it from West to East, you move into a time zone that is 24 hours behind, so the date is set back by one day. Conversely, crossing from East to West means you add a day.

Keep practicing — related questions