Toronto to SeaTac, WA: time difference
SeaTac, WA is 3 h behind Toronto. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Toronto 18:11 6:11 PM SeaTac, WA 15:11 3:11 PM You –:–
18:11 6:11 PM
Eastern Daylight Time · UTC-4
☀️ 07:35 · 🌙 18:32
15:11 3:11 PM
Pacific Daylight Time · UTC-7
☀️ 07:31 · 🌙 18:19
·
−3 h
SeaTac, WA is 3 h behind Toronto.
When you, Toronto and SeaTac, WA are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇦 Toronto
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇺🇸 SeaTac, WA
21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
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Time zones side by side
| Detail | 🇨🇦 Toronto | 🇺🇸 SeaTac, WA |
|---|---|---|
| Local time | 18:11 | 15:11 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from Toronto | — | −3 h |
| IANA zone | America/Toronto | America/Los Angeles |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 07:35 | 07:31 |
| Sunset | 18:32 | 18:19 |
| Daylight | 10 h 58 min | 10 h 48 min |
| People on this clock | 2,731,571 | 31,454 |
Compare Toronto with another city
More comparisons with Toronto: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Toronto and SeaTac, WA: common questions
How far behind Toronto is SeaTac, WA?
SeaTac is 3 hours behind Toronto: UTC−7 against UTC−4.
What time is it in SeaTac, WA, at the start of the working day in Toronto?
The working day in Toronto starts at 9:00 AM; in SeaTac it is 6:00 AM at that moment.
If it is 6:00 PM in Toronto, what time is it in SeaTac, WA?
At 6:00 PM in Toronto, clocks in SeaTac show 3:00 PM.
When is a good time to call SeaTac, WA, from Toronto?
Between 12:00 PM and 6:00 PM in Toronto – that is 9:00 AM to 3:00 PM in SeaTac – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Toronto is it still yesterday in SeaTac, WA?
Before 3:00 AM in Toronto, the date in SeaTac has not changed yet. From 9:00 PM in SeaTac, it is already the next day in Toronto.
Does the time gap between Toronto and SeaTac, WA, change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 3 hours.
