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Time zones in Canada and the US
Every time zone from Hawaii to Newfoundland, west to east, with its code and whether it changes for daylight saving time. Updated for the 2026 changes.
| Time zone | Code | Winter | Summer | Now |
|---|---|---|---|---|
| Hawaii-Aleutian Time | HST | UTC−10 | UTC−10 | – |
| Alaska Time | AKST / AKDT | UTC−9 | UTC−8 | – |
| Pacific Time | PST / PDT | UTC−8 | UTC−7 | – |
| BC Pacific Time | PCT | UTC−7 | UTC−7 | – |
| Yukon Standard Time | MST | UTC−7 | UTC−7 | – |
| Mountain Standard Time (no daylight saving) | MST | UTC−7 | UTC−7 | – |
| Mountain Time | MST / MDT | UTC−7 | UTC−6 | – |
| Alberta Time | ABT | UTC−6 | UTC−6 | – |
| Central Standard Time (Saskatchewan) | CST | UTC−6 | UTC−6 | – |
| Central Time | CST / CDT | UTC−6 | UTC−5 | – |
| Manitoba Time | CDT | UTC−5 | UTC−5 | – |
| Eastern Time | EST / EDT | UTC−5 | UTC−4 | – |
| Atlantic Time | AST / ADT | UTC−4 | UTC−3 | – |
| Newfoundland Time | NST / NDT | UTC−3:30 | UTC−2:30 | – |