See, all 6 official time zones of Canada, listed by province or territory, where are used. Always up-to-date information.

Canada time zones and time zone map with current time in each state.

Newfoundland lies squarely in the eastern half of the Atlantic Time Zone, with St. John's being exactly three-and-a-half hours from Greenwich. Since the Dominion of Newfoundland was …

Most of Saskatchewan uses Central Standard time all year round. Areas around Lloydminster are in the Mountain Time zone and change at 2:00 a.m. local time, as in Alberta.

Only a portion of Canada observes Eastern Time (ET). This includes most of Ontario (including Toronto and Ottawa), most of Quebec (including Montreal), and parts of Nunavut (Iqaluit).

In addition, Canada extends further east than the USA, so it also has Atlantic Standard Time (AST), 1 hour ahead of EST, and Newfoundland Standard Time, 1½ hours ahead of EST.

Canada observes daylight saving time in almost all States, except in most of the province of Saskatchewan, some cities of British Columbia, Yukon Territory, Southampton, some cities of …

To the west, Atlantic Standard Time (AST) applies in the provinces of Nova Scotia, New Brunswick, and Prince Edward Island, which are 4 hours behind UTC (UTC-4:00). The …

Dec 9, 2025 · Most parts of Ontario are in the Eastern time zone, the exception being the western part of the province which borders Manitoba. The Province of Manitoba is in the Central time …

Newfoundland, in Canada's most easterly province Newfoundland and Labrador, follows its own time zone. The standard time is Newfoundland Standard Time (NST), which is UTC-3:30.