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This is a list representing time zones by country. Countries are ranked by total number of time zones on their territory. Time zones of a country include that of dependent territories (except Antarctic claims). France, including its overseas territories, has the most time zones with 12 (13 including its claim in Antarctica and all other counties).
The National Research Council (NRC) maintains Canada's official time through the use of atomic clocks. [3] The official time is specified in legislation passed by the individual provinces. In Quebec it is based on coordinated universal time. [4] The other provinces use mean solar time.
The 24-hour clock is the most commonly used method worldwide to physically represent the time of day. Some regions utilize 24-hour time notation in casual speech as well, such as regions that speak German, French, or Romanian, though this is less common overall; other countries that utilize the 24-hour clock for displaying time physically may ...
The shift is the amount of time added at the DST start time and subtracted at the DST end time. For example, in Canada and the United States, when DST starts, the local time changes from 02:00 to 03:00, and when DST ends, the local time changes from 02:00 to 01:00. As the time change depends on the time zone, it does not occur simultaneously in ...
The Government of Canada specifies the ISO 8601 format for all-numeric dates (YYYY-MM-DD; for example, 2025-02-27). [2] It recommends writing the time using the 24-hour clock (07:51) for maximum clarity in both Canadian English and Canadian French, [3] but also allows the 12-hour clock (7:51 a.m.) in English. [4]
The Newfoundland Time Zone (NT) is a geographic region that keeps time by subtracting 3.5 hours from Coordinated Universal Time during standard time, resulting in UTC−03:30; or subtracting 2.5 hours during daylight saving time. [1] The clock time in this zone is based on the mean solar time of the meridian 52 degrees and 30 arcminutes west of ...
In the regions of Canada that use daylight saving time, it begins on the second Sunday of March at 2 a.m. and ends on the first Sunday in November at 2 a.m. As a result, daylight saving time lasts in Canada for a total of 34 weeks (238 days) every year, about 65 percent of the entire year.
Time zones of the world. A time zone is an area which observes a uniform standard time for legal, commercial and social purposes. Time zones tend to follow the boundaries between countries and their subdivisions instead of strictly following longitude, because it is convenient for areas in frequent communication to keep the same time.