Consider the following countries : I. United Kingdom II. Denmark III. New Zealand IV. Australia V. Brazil How many of the above countries have more than four time zones?

States the general rule that countries with large east–west (longitudinal) extent have multiple time zones (example: Russia 11, Canada/USA multiple).

A student could compare the UK’s relatively small longitudinal span on a world map to these examples to judge whether multiple time zones are likely.

Gives concrete country examples (Canada and the USA have multiple time zones) illustrating the pattern that wide countries use several zones.

Use the UK’s geographic width vs. Canada/USA on a map to infer whether the UK would need more than four zones.

Explains that governments may set standard time based on central meridian and adjust for administrative reasons, implying time zones are chosen, not automatic.

A student could note the UK government could adopt multiple zones if needed, so they should check whether any overseas territories use different standard times.

Notes that time zone boundaries often follow international borders and are irregular rather than strictly by longitude.

A student could examine the UK and its overseas territories’ locations relative to GMT and international borders to see if they span multiple zones.

Reiterates that very large countries (Russia, Canada, USA) span many zones and gives the intuitive idea that zone count increases with east–west size.

Compare the UK’s size and global distribution (including overseas territories) on a world map to these large-country examples to assess plausibility of >4 zones.