Toronto to Seattle Time Difference
Seattle is 3 hours behind Toronto. When it's 12:27:01 PM in Toronto, it's 09:27:01 AM in Seattle.
How Many Hours Behind Is Seattle From Toronto?
Seattle is 3 hours behind Toronto. So Toronto is 3 hours ahead of Seattle looking the other way — the same gap, described from the other end.
In practice that means a working day in Toronto starts when it is already 6:00 AM in Seattle. The gap is not fixed all year: it becomes 2 hours on Sunday, November 1, 2026, when Toronto changes its clocks.
Best Time to Call Toronto and Seattle
Both cities are inside normal business hours between 12:00 PM and 5:00 PM in Toronto — that's 9:00 AM to 2:00 PM in Seattle. That's a 5-hour window, so a call fits comfortably in either side's working day.
both at work Toronto only Seattle only neither — hours shown along the strip are Toronto local time.
Convert a Specific Time
Pick any date and time in Toronto to see the exact equivalent in Seattle.
Common Times Converted
Toronto time on the left, Seattle time on the right.
Toronto to Seattle: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in Toronto. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| Toronto | Seattle | Working hours |
|---|---|---|
| 12:00 AM | 9:00 PM prev day | — |
| 1:00 AM | 10:00 PM prev day | — |
| 2:00 AM | 11:00 PM prev day | — |
| 3:00 AM | 12:00 AM | — |
| 4:00 AM | 1:00 AM | — |
| 5:00 AM | 2:00 AM | — |
| 6:00 AM | 3:00 AM | — |
| 7:00 AM | 4:00 AM | — |
| 8:00 AM | 5:00 AM | — |
| 9:00 AM | 6:00 AM | Toronto only |
| 10:00 AM | 7:00 AM | Toronto only |
| 11:00 AM | 8:00 AM | Toronto only |
| 12:00 PM | 9:00 AM | Both cities |
| 1:00 PM | 10:00 AM | Both cities |
| 2:00 PM | 11:00 AM | Both cities |
| 3:00 PM | 12:00 PM | Both cities |
| 4:00 PM | 1:00 PM | Both cities |
| 5:00 PM | 2:00 PM | Seattle only |
| 6:00 PM | 3:00 PM | Seattle only |
| 7:00 PM | 4:00 PM | Seattle only |
| 8:00 PM | 5:00 PM | — |
| 9:00 PM | 6:00 PM | — |
| 10:00 PM | 7:00 PM | — |
| 11:00 PM | 8:00 PM | — |
Understanding the Toronto – Seattle Time Difference
Toronto runs on America/Toronto, currently EDT (UTC-4:00). Seattle runs on America/Los_Angeles, currently PDT (UTC-7:00). The gap of 3 hours is simply the distance between those two offsets.
Both cities observe Daylight Saving Time, but they don't switch on the same date — so for a few weeks each year the gap between them is different again. The next shift is on Sunday, November 1, 2026, when Toronto adjusts its clocks and the difference becomes 2 hours. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in Canada · Daylight Saving Time in the United States.
Toronto today
Seattle today
Frequently Asked Questions
What is the time difference between Toronto and Seattle?
Seattle is currently 3 hours behind Toronto. That gap becomes 2 hours on Sunday, November 1, 2026, when Toronto changes its clocks.
How many hours behind is Seattle from Toronto?
Seattle is 3 hours behind Toronto. Looking at it the other way, Toronto is 3 hours ahead of Seattle.
What time is it in Seattle when it is 9:00 AM in Toronto?
When it is 9:00 AM in Toronto, it is 6:00 AM in Seattle.
Is Seattle ahead of or behind Toronto?
Seattle is 3 hours behind Toronto. Toronto reaches each point in the day first, so Seattle is still getting started while the Toronto working day is finishing.
What is the best time to call between Toronto and Seattle?
Between 12:00 PM and 5:00 PM Toronto time, which is 9:00 AM to 2:00 PM in Seattle. Both cities are inside normal business hours during that window.
Does the time difference between Toronto and Seattle change during the year?
Yes. Both cities observe Daylight Saving Time, and they do not always switch on the same date, so the gap between them shifts during the year. It changes to 2 hours on Sunday, November 1, 2026.
What time zones are Toronto and Seattle in?
Toronto uses the America/Toronto time zone, currently EDT (UTC-4:00). Seattle uses America/Los_Angeles, currently PDT (UTC-7:00).