Seattle, WA to Simpson Bay: time difference
Simpson Bay 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 22:35 10:35 PM Simpson Bay 01:35 1:35 AM You –:–
22:35 10:35 PM
Pacific Daylight Time · UTC-7
☀️ 07:20 · 🌙 18:34
01:35 1:35 AM
Atlantic Standard Time · UTC-4
☀️ 06:05 · 🌙 17:55
·
+3 h
Simpson Bay is 3 h ahead of Seattle, WA.
When you, Seattle, WA and Simpson Bay 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
🇸🇽 Simpson Bay
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 | 🇸🇽 Simpson Bay |
|---|---|---|
| Local time | 22:35 | 01:35 |
| Local date | Friday, October 9, 2026 | Saturday, October 10, 2026 |
| Time zone | Pacific Daylight Time | Atlantic Standard Time |
| UTC offset | UTC-7 | UTC-4 |
| Offset from Seattle, WA | — | +3 h |
| IANA zone | America/Los Angeles | America/Lower Princes |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | Not observed |
| Sunrise | 07:20 | 06:05 |
| Sunset | 18:34 | 17:55 |
| Daylight | 11 h 14 min | 11 h 50 min |
| People on this clock | 737,015 | 6,000 |
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 Simpson Bay: common questions
What is the time difference between Seattle, WA, and Simpson Bay?
Simpson Bay is 3 hours ahead: it uses UTC−4, while Seattle is on UTC−7.
What time is it in Simpson Bay when it is 9:00 AM in Seattle, WA?
When it is 9:00 AM in Seattle, it is 12:00 PM in Simpson Bay.
What time is it in Simpson Bay when it is 6:00 PM in Seattle, WA?
When it is 6:00 PM in Seattle, it is 9:00 PM in Simpson Bay.
Is there a time when both Seattle, WA, and Simpson Bay are at work?
Yes: from 9:00 AM to 3:00 PM in Seattle (12:00 PM to 6:00 PM in Simpson Bay), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Simpson Bay?
From 9:00 PM in Seattle, WA, it is already the next day in Simpson Bay. The other way round, until 3:00 AM in Simpson Bay it is still the previous day in Seattle.
Does the time gap between Seattle, WA, and Simpson Bay change during the year?
Yes – daylight saving time is used in Seattle but not in Simpson Bay. From November 1, 2026, Simpson Bay will be 4 hours ahead of Seattle.
