6. Canada
Number of Time Zones: 6
Being such a large country, it is only natural that Canada has this many time zones. UTC−08:00 applies to the region located on the coast of the Pacific Ocean and mostly uses daylight saving time. UTC−07:00 is used in British Columbia, parts of Nunavut and Alberta region, with the last one using the daylight saving time. UTC−06:00 is used in the central parts of the country and uses daylight saving time except for Saskatchewan. UTC−05:00 applies to most of Quebec while UTC−04:00 is used by the region located on the Atlantic Ocean coast. Lastly, Newfoundland belongs to UTC−03:30.