Châteauguay, QC to Seattle, WA: time difference
Seattle, WA is 3 h behind Châteauguay, QC. 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.
Châteauguay, QC 00:59 12:59 AM Seattle, WA 21:59 9:59 PM You –:–
00:59 12:59 AM
Eastern Daylight Time · UTC-4
☀️ 07:20 · 🌙 18:01
21:59 9:59 PM
Pacific Daylight Time · UTC-7
☀️ 07:36 · 🌙 18:13
·
−3 h
Seattle, WA is 3 h behind Châteauguay, QC.
When you, Châteauguay, QC 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
🇨🇦 Châteauguay, QC
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
- Asleep
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Time zones side by side
| Detail | 🇨🇦 Châteauguay, QC | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 00:59 | 21:59 |
| Local date | Wednesday, October 21, 2026 | Tuesday, October 20, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from Châteauguay, QC | — | −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 | 07:20 | 07:36 |
| Sunset | 18:01 | 18:13 |
| Daylight | 10 h 41 min | 10 h 37 min |
| People on this clock | 42,786 | 737,015 |
Compare Châteauguay, QC with another city
More comparisons with Châteauguay, QC: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Châteauguay, QC and Seattle, WA: common questions
How many hours behind Châteauguay, QC, is Seattle, WA?
The clocks in Seattle are 3 hours behind those in Châteauguay (UTC−7 and UTC−4).
If it is 9:00 AM in Châteauguay, QC, what time is it in Seattle, WA?
At 9:00 AM in Châteauguay, clocks in Seattle show 6:00 AM.
What time is it in Seattle, WA, at the end of the working day in Châteauguay, QC?
The working day in Châteauguay ends at 6:00 PM; in Seattle it is 3:00 PM at that moment.
Is there a time when both Châteauguay, QC, and Seattle, WA, are at work?
Yes: from 12:00 PM to 6:00 PM in Châteauguay (9:00 AM to 3:00 PM in Seattle), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Seattle, WA, compared with Châteauguay, QC?
The new day starts in Seattle later: until 3:00 AM in Châteauguay, it is still the previous day there. From 9:00 PM in Seattle, Châteauguay is already on the next day.
Is the time difference between Châteauguay, QC, 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.
