Longueuil to Seattle, WA: time difference
Seattle, WA is 3 h behind Longueuil. 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.
Longueuil 18:55 6:55 PM Seattle, WA 15:55 3:55 PM You –:–
18:55 6:55 PM
Eastern Daylight Time · UTC-4
☀️ 07:13 · 🌙 18:06
15:55 3:55 PM
Pacific Daylight Time · UTC-7
☀️ 07:32 · 🌙 18:19
·
−3 h
Seattle, WA is 3 h behind Longueuil.
When you, Longueuil and Seattle, 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
🇨🇦 Longueuil
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
🇺🇸 Seattle, 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
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- Working hours
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Time zones side by side
| Detail | 🇨🇦 Longueuil | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 18:55 | 15:55 |
| 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 Longueuil | — | −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 | 07:13 | 07:32 |
| Sunset | 18:06 | 18:19 |
| Daylight | 10 h 53 min | 10 h 47 min |
| People on this clock | 254,483 | 737,015 |
Compare Longueuil with another city
More comparisons with Longueuil: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Longueuil and Seattle, WA: common questions
What is the time difference between Longueuil and Seattle, WA?
Seattle is 3 hours behind: it uses UTC−7, while Longueuil is on UTC−4.
What time is it in Seattle, WA, at the start of the working day in Longueuil?
The working day in Longueuil starts at 9:00 AM; in Seattle it is 6:00 AM at that moment.
If it is 6:00 PM in Longueuil, what time is it in Seattle, WA?
At 6:00 PM in Longueuil, clocks in Seattle show 3:00 PM.
When do working hours in Longueuil and in Seattle, WA, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Longueuil, which is 9:00 AM to 3:00 PM in Seattle.
Until what time in Longueuil is it still yesterday in Seattle, WA?
Before 3:00 AM in Longueuil, the date in Seattle has not changed yet. From 9:00 PM in Seattle, it is already the next day in Longueuil.
Is the time difference between Longueuil and Seattle, WA, the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 3 hours.
