The standard time of the following countries is ahead or behind Greenwich Mean Time depending on whe...........

World Geography (Easy) Countries and Continents

The standard time of the following countries is ahead or behind Greenwich Mean Time depending on whether they are east and west of the longitude passing through Greenwich :

1. Cuba

2. Greece

3. Iraq

4. Costa Rice

5. Japan

Which one of the following sequential orders gives the correct arrangement of the countries according to their standard time from ahead to behind G.M.T.?

5, 3, 2, 1, 4

2, 4, 1, 3, 5

4, 1, 3, 2, 5

3, 5, 4, 1, 2

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Explanation:

The International Date Line is an imaginary line of longitude on the Earth’s surface located at about 180 degrees east (or west) of the Greenwich Meridian and marks the divide where the date changes by one day. It makes some deviations from the 180-degree meridian to avoid dividing countries in two, especially in the Polynesia region.
The time difference between either sides of the International Date Line is not always exactly 24 hours because of local time zone variations.
If you travel around the world, changing standard time by one hour each time you enter a new time zone, then a complete circuit would mean that you adjusted your clock or watch time by 24 hours. This would lead to a difference of one day between the date on your clock and the real calendar date. To avoid this, countries are on either side of the International Date Line which runs down the middle of the Pacific Ocean. If you cross the date line moving east, you subtract a day, whereas if you are moving west you add a day.