🇺🇸 Seattle ↔ 🇨🇦 Toronto

Seattle is usually 3 hours behind Toronto. Both observe daylight saving time, so the difference shifts by an hour for a few weeks around the spring and autumn changeovers.

Sunrise 5:13 AMSunset 9:12 PM(local)

Sunrise 5:37 AMSunset 9:04 PM(local)

Seattle: daylight saving timeNow UTC-7 PDT. Next change: November 1, 2026 — clocks go back 1 hour.
Toronto: daylight saving timeNow UTC-4. Next change: November 1, 2026 — clocks go back 1 hour.
SeattleUTC-7PDT
TorontoUTC-4

🇺🇸 Seattle

Dialing code+1
Population780,995
Coordinates47.61°N, 122.33°W
Elevation56 m

🇨🇦 Toronto

Dialing code+1
Population2,794,356
Coordinates43.71°N, 79.40°W
Elevation161 m

Best time for a call: 09:00–15:00 in SeattleAdd to calendar

Working hours assumed 9:00–18:00.

Frequently asked questions

What is the time difference between Seattle and Toronto?
Seattle is 3 hours behind Toronto. Use the side-by-side clocks and the day/night strips above to convert any hour between them.
When is the best time to call between Seattle and Toronto?
The best window to call is 09:00–15:00 Seattle time, when working hours overlap in both cities. Pick an hour on the strips to add it to your calendar.
Why does the time difference between Seattle and Toronto change?
Because at least one of Seattle and Toronto observes daylight saving time, the difference shifts by an hour when one city changes its clocks and the other has not yet (or does not).