Countries With Most Number of Time Zones 

France has 12 time zones because it has a number of overseas territories, such as French Polynesia and Réunion. These territories are located in different parts of the world, so they have different time zones. 

Russia has 11 time zones because it spans a large east-west distance. This allows people in different parts of the country to have different schedules, which can improve economic efficiency and coordination. 

The United States has six time zones because it has a large and diverse population. This allows people in different parts of the country to have different schedules, which reflects regional diversity. 

Australia has nine time zones because it spans a large east-west distance. This allows people in different parts of the country to have different schedules.

The UK has nine time zones because it has a number of overseas territories, such as the Falkland Islands and Christmas Island. These territories are located in different parts of the world, so they have different time zones.  

Canada has six time zones because it spans a large east-west distance.