Time Zones

1. Complete the table below

Time in London Time somewhere else
12:00 Paris?
16:00 New York?
04:00 Tokyo?
07:00 Moscow?
22:00 Auckland?

2. Why is the world divided into time zones?

3. Why are the boundaries between time zones usually not straight lines?

4. What is the international date line?

5. Where is it?

6. Why is it necessary?

7. If you really liked Christmas you could have it two days in a row. Explain how.

8. What is "daylight saving"? Why was it introduced?