Peterborough to Seattle, WA: time difference
Seattle, WA is 3 h behind Peterborough. 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.
Peterborough 03:50 3:50 AM Seattle, WA 00:50 12:50 AM You –:–
03:50 3:50 AM
Eastern Daylight Time · UTC-4
☀️ 07:34 · 🌙 18:24
00:50 12:50 AM
Pacific Daylight Time · UTC-7
☀️ 07:33 · 🌙 18:17
·
−3 h
Seattle, WA is 3 h behind Peterborough.
When you, Peterborough 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
🇨🇦 Peterborough
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
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇦 Peterborough | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 03:50 | 00:50 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from Peterborough | — | −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 | 07:34 | 07:33 |
| Sunset | 18:24 | 18:17 |
| Daylight | 10 h 50 min | 10 h 44 min |
| People on this clock | 81,032 | 737,015 |
Compare Peterborough with another city
More comparisons with Peterborough: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Peterborough and Seattle, WA: common questions
What is the time difference between Peterborough and Seattle, WA?
Seattle is 3 hours behind: it uses UTC−7, while Peterborough is on UTC−4.
If it is 9:00 AM in Peterborough, what time is it in Seattle, WA?
At 9:00 AM in Peterborough, clocks in Seattle show 6:00 AM.
What time is it in Seattle, WA, when it is 6:00 PM in Peterborough?
When it is 6:00 PM in Peterborough, it is 3:00 PM in Seattle.
When is a good time to call Seattle, WA, from Peterborough?
Between 12:00 PM and 6:00 PM in Peterborough – that is 9:00 AM to 3:00 PM in Seattle – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Peterborough is it still yesterday in Seattle, WA?
Before 3:00 AM in Peterborough, the date in Seattle has not changed yet. From 9:00 PM in Seattle, it is already the next day in Peterborough.
Does the time difference between Peterborough and Seattle, WA, change?
No. The clocks in Peterborough and in Seattle change on the same dates, so the difference stays 3 hours.
