Consider the following countries:
United Kingdom
Denmark
New Zealand
Australia
Brazil
How many of the above countries have more than four time zones?
(a) All five
(b) Only four
(c) Only three
(d) Only two
Answer: (b)
Explanation:
The number of time zones a country observes can include those of its overseas territories and dependencies. Here’s the breakdown:
United Kingdom: Has 9 time zones due to its extensive overseas territories, including places like the Pitcairn Islands, Bermuda, and the British Indian Ocean Territory.
Denmark: Observes 5 time zones, largely due to its autonomous territory Greenland, which spans several zones, along with the Faroe Islands.
New Zealand: Has 5 time zones, covering its main islands, the Chatham Islands, and external territories like Tokelau, Niue, and the Cook Islands.
Australia: Spans 9 time zones when accounting for mainland divisions, daylight saving time, and its external territories such as Christmas Island, Cocos (Keeling) Islands, and Norfolk Island.
Brazil: Has only 4 time zones, ranging from UTC−2 to UTC−5, covering the mainland and nearby island regions.
Thus, four of the five listed countries—United Kingdom, Denmark, New Zealand, and Australia—have more than four time zones. Brazil does not.

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