Canada Current Time & Time Zone & Time Zone Map

What are Canada’s time zones?

Canada has six primary time zones. From west to east, they are:

This page also shows common year-round exceptions as separate cards: Blanc Sablon (AST year-round), Southampton Island (EST year-round), Regina (CST year-round), and Whitehorse (MST year-round).

A few geographic notes: Atlantic Time covers Nova Scotia, New Brunswick, Prince Edward Island, and most of Labrador. Eastern Time covers most of Ontario and Québec. Central Time covers Manitoba and parts of Nunavut and northwestern Ontario. Mountain Time covers Alberta and most of the Northwest Territories. Pacific Time covers most of British Columbia.

Why does Canada have so many time zones?

Canada stretches a long way from British Columbia to Newfoundland and Labrador—several hours of longitude. One national clock would put noon in the wrong part of the day for much of the country. Multiple time zones keep local clocks closer to sunrise and sunset, which makes work, school, travel, and daily life more practical.

Canada also has a half-hour zone: Newfoundland Time (UTC−03:30 / UTC−02:30). That is why St. John’s does not line up on the hour with Halifax or Ottawa. Other large countries use multiple zones for the same reason, including the United States.

Who sets Canada’s time zones?

In Canada, standard time and Daylight Saving Time are mainly set by the provinces and territories, not by a single federal time-zone law like the U.S. Department of Transportation rules. Each province or territory decides which offset applies and whether clocks change with the seasons.

The National Research Council of Canada maintains official time signals used across the country, but the legal time on the ground still comes from provincial and territorial rules. That is why some places—such as most of Saskatchewan, Yukon, and Blanc Sablon—do not follow the same DST pattern as their neighbors.

What time zone is Ottawa in?

Ottawa is on Eastern Time (America/Toronto). In winter that is EST (UTC−05:00); when Daylight Saving Time is in effect it is EDT (UTC−04:00). On this page, the Eastern Time card uses Ottawa as the example city, so the capital’s local time is the Eastern clock above.

What is the time difference between Canada’s time zones?

Relative to Ottawa (Eastern Time), the usual gaps are:

• Pacific: 3 hours behind (Vancouver).
• Mountain: 2 hours behind (Edmonton).
• Central: 1 hour behind (Winnipeg).
• Atlantic: 1 hour ahead (Halifax).
• Newfoundland: 1.5 hours ahead (St. John’s)—30 minutes ahead of Atlantic Time.

Those gaps hold when both places follow the same DST rules. Year-round places such as Regina, Whitehorse, and Blanc Sablon do not change clocks, so their difference versus Ottawa shifts when Eastern Time enters or leaves Daylight Saving Time.

For times outside Canada, use Canada ↔ Regional Compare above to line up Oceania, Asia, or Europe (including Moscow) next to Canada’s primary zones, with a live converter against Ottawa.

How does Daylight Saving Time work in Canada?

Most of Canada observes Daylight Saving Time. Where DST applies, clocks spring forward one hour on the second Sunday in March at 2:00 a.m. local time, and fall back one hour on the first Sunday in November at 2:00 a.m. local time. That schedule matches the common North American dates used in much of the United States.

During DST, abbreviations switch from “S” to “D”—for example, EST becomes EDT, and PST becomes PDT. Newfoundland follows the same calendar dates, but its offset stays a half hour off Atlantic Time (NST / NDT).

Not every place changes clocks. Common year-round exceptions shown on this page include Regina (CST year-round), Whitehorse (MST year-round), Blanc Sablon (AST year-round), and Southampton Island (EST year-round). Because those places stay put while Eastern Time shifts, their difference versus Ottawa changes when the rest of the country enters or leaves DST.

How do Canada’s time zones relate to U.S. time zones?

Canada and the United States share the same North American time-zone “backbone.” Both countries inherited standard time from the railroad era, and from west to east the main names line up: Pacific, Mountain, Central, and Eastern, with matching UTC baselines. That is why many border corridors stay on the same clock—for example, Vancouver with Seattle, or Toronto and Ottawa with New York.

Daylight Saving Time is part of that shared system too. Most of Canada changes clocks on the same weekends as much of the United States. Keeping those dates aligned helps meetings, flights, TV schedules, and cross-border business avoid a one-hour mismatch.

The differences matter as well. U.S. zone boundaries are mainly set at the federal level (the Department of Transportation), while Canada leaves standard time and DST largely to the provinces and territories. Canada also has Newfoundland Time, a half-hour offset with no direct match among the U.S. primary zones, and more local year-round exceptions (such as Regina, Whitehorse, Blanc Sablon, and Southampton Island on this page). For the U.S. side of the map, see our U.S. time zone page.

Where This Page’s Time Data Comes From

The clocks and zone labels on this page follow the IANA Time Zone Database. Most Canadian zones on this page observe Daylight Saving Time; year-round exceptions such as Regina, Whitehorse, Blanc Sablon, and Southampton Island stay on fixed offsets. For a broader overview of Canadian time zones, see Time in Canada (opens in new tab).