Marmora, ON to Seattle, WA: time difference
Seattle, WA is 3 h behind Marmora, ON. 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.
Marmora, ON 03:55 3:55 AM Seattle, WA 00:55 12:55 AM You –:–
03:55 3:55 AM
Eastern Daylight Time · UTC-4
☀️ 07:31 · 🌙 18:21
00:55 12:55 AM
Pacific Daylight Time · UTC-7
☀️ 07:33 · 🌙 18:17
·
−3 h
Seattle, WA is 3 h behind Marmora, ON.
When you, Marmora, ON 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
🇨🇦 Marmora, ON
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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Time zones side by side
| Detail | 🇨🇦 Marmora, ON | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 03:55 | 00:55 |
| 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 Marmora, ON | — | −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 | 07:31 | 07:33 |
| Sunset | 18:21 | 18:17 |
| Daylight | 10 h 50 min | 10 h 44 min |
| People on this clock | 1,499 | 737,015 |
Compare Marmora, ON with another city
More comparisons with Marmora, ON: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Marmora, ON and Seattle, WA: common questions
How many hours behind Marmora, ON, is Seattle, WA?
The clocks in Seattle are 3 hours behind those in Marmora (UTC−7 and UTC−4).
If it is 9:00 AM in Marmora, ON, what time is it in Seattle, WA?
At 9:00 AM in Marmora, clocks in Seattle show 6:00 AM.
What time is it in Seattle, WA, at the end of the working day in Marmora, ON?
The working day in Marmora ends at 6:00 PM; in Seattle it is 3:00 PM at that moment.
Is there a time when both Marmora, ON, and Seattle, WA, are at work?
Yes: from 12:00 PM to 6:00 PM in Marmora (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 Marmora, ON?
The new day starts in Seattle later: until 3:00 AM in Marmora, it is still the previous day there. From 9:00 PM in Seattle, Marmora is already on the next day.
Does the time gap between Marmora, ON, and Seattle, WA, change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 3 hours.
