Seattle, WA to Peterborough: time difference
Peterborough 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 01:39 1:39 AM Peterborough 04:39 4:39 AM You –:–
01:39 1:39 AM
Pacific Daylight Time · UTC-7
☀️ 07:35 · 🌙 18:15
04:39 4:39 AM
Eastern Daylight Time · UTC-4
☀️ 07:34 · 🌙 18:24
·
+3 h
Peterborough is 3 h ahead of Seattle, WA.
When you, Seattle, WA and Peterborough 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
🇨🇦 Peterborough
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 | 🇨🇦 Peterborough |
|---|---|---|
| Local time | 01:39 | 04:39 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 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 | 07:35 | 07:34 |
| Sunset | 18:15 | 18:24 |
| Daylight | 10 h 41 min | 10 h 50 min |
| People on this clock | 737,015 | 81,032 |
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 Peterborough: common questions
How far ahead of Seattle, WA, is Peterborough?
Peterborough is 3 hours ahead of Seattle: UTC−4 against UTC−7.
If it is 9:00 AM in Seattle, WA, what time is it in Peterborough?
At 9:00 AM in Seattle, clocks in Peterborough show 12:00 PM.
If it is 6:00 PM in Seattle, WA, what time is it in Peterborough?
At 6:00 PM in Seattle, clocks in Peterborough show 9:00 PM.
Is there a time when both Seattle, WA, and Peterborough are at work?
Yes: from 9:00 AM to 3:00 PM in Seattle (12:00 PM to 6:00 PM in Peterborough), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Peterborough?
From 9:00 PM in Seattle, WA, it is already the next day in Peterborough. The other way round, until 3:00 AM in Peterborough it is still the previous day in Seattle.
Is the time difference between Seattle, WA, and Peterborough the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 3 hours.
