SeaTac, WA to Montreal: time difference
Montreal is 3 h ahead of SeaTac, WA. 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.
SeaTac, WA 15:17 3:17 PM Montreal 18:17 6:17 PM You –:–
15:17 3:17 PM
Pacific Daylight Time · UTC-7
☀️ 07:31 · 🌙 18:19
18:17 6:17 PM
Eastern Daylight Time · UTC-4
☀️ 07:14 · 🌙 18:07
·
+3 h
Montreal is 3 h ahead of SeaTac, WA.
When you, SeaTac, WA and Montreal are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 SeaTac, WA
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
🇨🇦 Montreal
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 0 12 AM 1 1 AM 2 2 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 SeaTac, WA | 🇨🇦 Montreal |
|---|---|---|
| Local time | 15:17 | 18:17 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Pacific Daylight Time | Eastern Daylight Time |
| UTC offset | UTC-7 | UTC-4 |
| Offset from SeaTac, WA | — | +3 h |
| IANA zone | America/Los Angeles | America/Toronto |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:31 | 07:14 |
| Sunset | 18:19 | 18:07 |
| Daylight | 10 h 48 min | 10 h 53 min |
| People on this clock | 31,454 | 1,762,949 |
Compare SeaTac, WA with another city
More comparisons with SeaTac, WA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
SeaTac, WA and Montreal: common questions
How far ahead of SeaTac, WA, is Montreal?
Montreal is 3 hours ahead of SeaTac: UTC−4 against UTC−7.
What time is it in Montreal at the start of the working day in SeaTac, WA?
The working day in SeaTac starts at 9:00 AM; in Montreal it is 12:00 PM at that moment.
If it is 6:00 PM in SeaTac, WA, what time is it in Montreal?
At 6:00 PM in SeaTac, clocks in Montreal show 9:00 PM.
When do working hours in SeaTac, WA, and in Montreal overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in SeaTac, which is 12:00 PM to 6:00 PM in Montreal.
When does the date change in Montreal compared with SeaTac, WA?
The new day starts in Montreal earlier: at 9:00 PM in SeaTac it is already midnight there. Until 3:00 AM in Montreal, SeaTac is still on the previous day.
Is the time difference between SeaTac, WA, and Montreal the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 3 hours.
