Seattle, WA to Longueuil: time difference
Longueuil is 3 h ahead of Seattle, 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.
Seattle, WA 20:27 8:27 PM Longueuil 23:27 11:27 PM You –:–
20:27 8:27 PM
Pacific Daylight Time · UTC-7
☀️ 07:32 · 🌙 18:19
23:27 11:27 PM
Eastern Daylight Time · UTC-4
☀️ 07:13 · 🌙 18:06
·
+3 h
Longueuil is 3 h ahead of Seattle, WA.
When you, Seattle, WA and Longueuil are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Seattle, 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
🇨🇦 Longueuil
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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Seattle, WA | 🇨🇦 Longueuil |
|---|---|---|
| Local time | 20:27 | 23:27 |
| 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 Seattle, 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 | 07:32 | 07:13 |
| Sunset | 18:19 | 18:06 |
| Daylight | 10 h 47 min | 10 h 53 min |
| People on this clock | 737,015 | 254,483 |
Compare Seattle, WA with another city
More comparisons with Seattle, WA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Seattle, WA and Longueuil: common questions
What is the time difference between Seattle, WA, and Longueuil?
Longueuil is 3 hours ahead: it uses UTC−4, while Seattle is on UTC−7.
If it is 9:00 AM in Seattle, WA, what time is it in Longueuil?
At 9:00 AM in Seattle, clocks in Longueuil show 12:00 PM.
What time is it in Longueuil when it is 6:00 PM in Seattle, WA?
When it is 6:00 PM in Seattle, it is 9:00 PM in Longueuil.
When do working hours in Seattle, WA, and in Longueuil overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Seattle, which is 12:00 PM to 6:00 PM in Longueuil.
When does the date change in Longueuil compared with Seattle, WA?
The new day starts in Longueuil earlier: at 9:00 PM in Seattle it is already midnight there. Until 3:00 AM in Longueuil, Seattle is still on the previous day.
Does the time difference between Seattle, WA, and Longueuil change?
No. The clocks in Seattle and in Longueuil change on the same dates, so the difference stays 3 hours.
