Time difference between San Francisco and Toronto
San Francisco is 3h behind Toronto. This gap is the same all year — neither city shifts its clocks relative to the other.
San Francisco
United States
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Toronto
Canada
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When the working days overlap
A 9-to-5 day in each city overlaps for 5h. That is 09:00–14:00 in San Francisco, which is 12:00–17:00 in Toronto.
Time zones compared
| City | Time zone | UTC offset |
|---|---|---|
| San Francisco · United States | America/Los_Angeles | UTC−7 |
| Toronto · Canada | America/Toronto | UTC−4 |
Frequently asked questions
- What is the time difference between San Francisco and Toronto?
- San Francisco is 3h behind Toronto. This gap is the same all year — neither city shifts its clocks relative to the other.
- Does the time difference between San Francisco and Toronto change during the year?
- No. The gap stays at 3h all year.
- When is the best time to call Toronto from San Francisco?
- Between 09:00 and 14:00 in San Francisco, which is 12:00 to 17:00 in Toronto.