2026 time zone changes

Canada Legal Time Zone Map and Meeting Scheduler

Convert a hearing, deadline or meeting time from one Canadian location to another. This tool incorporates recent time zone changes in BC, Alberta, NWT, Manitoba and Nunavik.

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The same clause, two interpretations What does “5:00 PM, Pacific Standard Time” mean now? Pick an abbreviation to see the example.
PST MST CST
Your agreement says“The settlement funds shall be delivered no later than 5:00 PM, Pacific Standard Time, on November 2, 2026.”

The issueBritish Columbia stops changing its clocks on November 1, 2026. It stays on its summer clock, the one that used to be called Pacific Daylight Time and is now officially called Pacific time (PCT). So from November 1, 2026, no clock in BC runs on Pacific Standard Time any more. That leaves two ways to read the deadline:

Two ways to read it
1Reading 16:00 PM in VancouverPacific Standard Time is one hour behind BC’s new clock. 5:00 PM Pacific Standard Time is 6:00 PM on a clock in Vancouver.
2Reading 25:00 PM in VancouverThe parties meant 5:00 PM in Vancouver and wrote “Pacific Standard Time” because, until this year, that was the same thing.
Your agreement says“The option must be exercised by written notice received before 5:00 PM, Mountain Standard Time, on December 1, 2026.”

The issueAlberta stops changing its clocks on November 1, 2026. It stays on its summer clock, the one that used to be called Mountain Daylight Time and is now called Alberta Time. So from November 1, 2026, no clock in Alberta runs on Mountain Standard Time any more. That leaves two ways to read the deadline:

Two ways to read it
1Reading 16:00 PM in CalgaryMountain Standard Time is one hour behind Alberta’s new clock. 5:00 PM Mountain Standard Time is 6:00 PM on a clock in Calgary.
2Reading 25:00 PM in CalgaryThe parties meant 5:00 PM in Calgary and wrote “Mountain Standard Time” because, until this year, that was the same thing.
Your agreement says“Tenders close at 2:00 PM, Central Standard Time, on January 15, 2027.”

The issueManitoba stops changing its clocks on November 1, 2026. It stays on its summer clock, the one that used to be called Central Daylight Time. So from November 1, 2026, no clock in Manitoba runs on Central Standard Time any more. That leaves two ways to read the deadline:

Two ways to read it
1Reading 13:00 PM in WinnipegCentral Standard Time is one hour behind Manitoba’s new clock. 2:00 PM Central Standard Time is 3:00 PM on a clock in Winnipeg.
2Reading 22:00 PM in WinnipegThe parties meant 2:00 PM in Winnipeg and wrote “Central Standard Time” because, until this year, that was the same thing.
What to do
Existing agreementsIf a deadline is written in PST, MST or CST, confirm which clock you mean before the deadline arrives.
New agreementsName the place, not just the abbreviation: “5:00 PM in Vancouver, British Columbia”.
The abbreviations Who uses which clock after 1 November 2026 Standard and daylight names describe fixed offsets. Where the clocks no longer change, one of the pair is simply gone.
PSTPacific Standard Time UTC-8 Nobody. British Columbia leaves it for good on 1 November 2026, so a clause fixed to PST no longer matches any Canadian clock.SourcesBC government
PCTPacific time, BC’s year-round zone UTC-7 Most of British Columbia and Yukon (as Yukon Standard Time, since 2020).SourcesBC government NRC official time
PDTPacific Daylight Time UTC-7 The same clock as PCT. The name no longer applies in BC because nothing is being saved.SourcesBC government
MSTMountain Standard Time UTC-7 BC’s northeast (Fort St. John, Dawson Creek, Fort Nelson) and Creston, all year. Western Nunavut in winter.SourcesBC government NRC official time NRCan zone boundaries
MDTMountain Daylight Time UTC-6 Alberta (as Alberta Time), the Northwest Territories, the East Kootenay, the Town of Golden and Lloydminster, all year. Western Nunavut in summer.SourcesAlberta.ca NWT (CBC) East Kootenay (CBC) Golden (CTV) NRC official time Saskatchewan release
CSTCentral Standard Time UTC-6 Saskatchewan all year. Northwestern Ontario (Kenora, Fort Frances, Rainy River) and central Nunavut in winter.SourcesNRC official time Ontario Time Act Saskatchewan release
CDTCentral Daylight Time UTC-5 Manitoba all year from 1 November 2026. Northwestern Ontario and central Nunavut in summer.SourcesManitoba release Ontario Time Act NRC official time
ESTEastern Standard Time UTC-5 Ontario, Quebec and eastern Nunavut in winter. Atikokan, Pickle Lake and Southampton Island all year.SourcesOntario Time Act NRC official time NRCan zone boundaries
EDTEastern Daylight Time UTC-4 Ontario, Quebec and eastern Nunavut in summer. Nunavik all year.SourcesOntario Time Act Nunavik (CBC)
ASTAtlantic Standard Time UTC-4 New Brunswick, Nova Scotia, PEI, most of Labrador and Quebec’s Magdalen Islands in winter. Quebec’s Lower North Shore all year.SourcesNRC official time NRCan zone boundaries
ADTAtlantic Daylight Time UTC-3 The Atlantic provinces, most of Labrador and Quebec’s Magdalen Islands in summer.SourcesNRC official time
NSTNewfoundland Standard Time UTC-3:30 The island of Newfoundland and southeastern Labrador in winter.SourcesNRC official time NRCan zone boundaries
NDTNewfoundland Daylight Time UTC-2:30 The island of Newfoundland and southeastern Labrador in summer.SourcesNRC official time NRCan zone boundaries
Federal statute has not caught up The Interpretation Act, section 35, still defines standard time for British Columbia as eight hours behind Greenwich and for Yukon as nine. A federal rule or form that says “standard time” may not match the clock on the wall. Interpretation Act, R.S.C. 1985, c. I-21, s. 35
About this tool Canada’s time zones changed in 2026

The Canada Legal Time Zone Map and Meeting Scheduler is a free tool from Courtready.ca. It converts a hearing, deadline or meeting time from one Canadian location to another and shows the same moment across every Canadian time zone on a map.

British Columbia, Alberta, the Northwest Territories and Manitoba stop changing their clocks on 1 November 2026 and stay on their summer time all year. Nunavik, in northern Quebec, stopped in March 2026. Ontario, the rest of Quebec, the Atlantic provinces, Newfoundland and Labrador, Saskatchewan, Yukon and Nunavut are unchanged.

The tool was built for lawyers, paralegals, court staff and self-represented litigants who schedule across provinces, and for anyone with a contract that names a time zone.

Common questions Questions? We have answers.
Which Canadian provinces stopped changing their clocks in 2026?

British Columbia, Alberta, the Northwest Territories and Manitoba keep their summer time year-round from 1 November 2026. Nunavik has since March 2026. Yukon has since 2020, and Saskatchewan since 1966.

What time zone is British Columbia in now?

Pacific time, abbreviated PCT, seven hours behind UTC all year. It replaces both PST and PDT. The Peace River region and Creston keep Mountain Standard Time, which is the same clock; the East Kootenay keeps Alberta’s clock, one hour ahead.

What is Alberta Time?

Alberta’s name for its year-round clock from 1 November 2026: six hours behind UTC, the same as the old Mountain Daylight Time.

Does “5:00 PM PST” still mean anything in a contract?

Yes, but from 1 November 2026 it can be read two ways: as the fixed PST clock, which is 6:00 PM in Vancouver, or as 5:00 PM on the Vancouver clock. The section above shows both. Confirm which one the parties mean.

How far apart are Toronto and Vancouver now?

Three hours in summer and, from November 2026, two hours in winter, because Vancouver no longer falls back while Toronto does.

Where does the boundary data come from?

Natural Resources Canada’s Legislated Time Zones of Canada, under the Open Government Licence, with corrections by Courtready.ca. Every rule in the list above links to its source.

BoundariesNatural Resources Canada, Legislated Time Zones of Canada (Open Government Licence), corrected by Courtready.ca for the 2026 changes, the Town of Golden and Labrador. RulesModelled from March 2026 onward. Each 2026 change in the list above links to its source. Spotted an error?Write to Tom Macintosh Zheng, co-founder of Courtready.ca, at admin [at] courtready.ca. This tool provides information, not legal advice. Generated by Courtready.ca