Toronto to Seattle Time Difference
Seattle is 3 hours behind Toronto. When it is noon in Toronto, it is 09:00 in Seattle.
Toronto (UTC-4) → Los Angeles (UTC-7)
🕐 Interactive Time Explorer
When it's 01:00 in Toronto, it's 22:00 in Seattle
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Toronto & Seattle✓ Perfect Match (5 hours)
◐ Extended Hours (5 hours)
✈️ Travel Information
Distance
3,325 km
Est. Flight Time
~4.9h
Time Difference
-3h
Work Hours Overlap
5h
Good
🔴 Office Closed
Tomorrow 12:00
12:00 - 17:00
⏰ Quick Conversion
06:00
Toronto
03:00
Seattle
09:00
Toronto
06:00
Seattle
12:00
Toronto
09:00
Seattle
15:00
Toronto
12:00
Seattle
18:00
Toronto
15:00
Seattle
21:00
Toronto
18:00
Seattle
00:00
Toronto
21:00
Seattle (-1)
03:00
Toronto
00:00
Seattle
Frequently Asked Questions
How many hours is Toronto ahead of Seattle?
Seattle is 3 hours behind Toronto. When it is 12:00 noon in Toronto, it is 09:00 in Seattle. Toronto operates on America/Toronto (UTC-4), while Seattle uses America/Los Angeles (UTC-7).
What is the best time to call Seattle from Toronto?
There are 6 hours of overlapping business time (9 AM–5 PM) between Toronto and Seattle. The best window is 12:00–18:00 Toronto time (09:00–15:00 in Seattle).
Does the Toronto to Seattle time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Toronto and Seattle
The distance between Toronto and Seattle is approximately 3,325 km. A direct flight typically takes around 4.9 hours. Your arrival clock will show local Seattle time — use our Flight Time Calculator to predict exact arrival times.