West Chester, PA to Seattle, WA: time difference
Seattle, WA is 3 h behind West Chester, PA. 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.
West Chester, PA 17:59 5:59 PM Seattle, WA 14:59 2:59 PM You –:–
17:59 5:59 PM
Eastern Daylight Time · UTC-4
☀️ 07:15 · 🌙 18:21
14:59 2:59 PM
Pacific Daylight Time · UTC-7
☀️ 07:32 · 🌙 18:19
·
−3 h
Seattle, WA is 3 h behind West Chester, PA.
When you, West Chester, PA 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
🇺🇸 West Chester, PA
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 | 🇺🇸 West Chester, PA | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 17:59 | 14:59 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from West Chester, PA | — | −3 h |
| IANA zone | America/New York | America/Los Angeles |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 07:15 | 07:32 |
| Sunset | 18:21 | 18:19 |
| Daylight | 11 h 6 min | 10 h 47 min |
| People on this clock | 18,671 | 737,015 |
Compare West Chester, PA with another city
More comparisons with West Chester, PA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
West Chester, PA and Seattle, WA: common questions
How many hours behind West Chester, PA, is Seattle, WA?
The clocks in Seattle are 3 hours behind those in West Chester (UTC−7 and UTC−4).
If it is 9:00 AM in West Chester, PA, what time is it in Seattle, WA?
At 9:00 AM in West Chester, clocks in Seattle show 6:00 AM.
What time is it in Seattle, WA, when it is 6:00 PM in West Chester, PA?
When it is 6:00 PM in West Chester, it is 3:00 PM in Seattle.
When is a good time to call Seattle, WA, from West Chester, PA?
Between 12:00 PM and 6:00 PM in West Chester – 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 West Chester, PA, is it still yesterday in Seattle, WA?
Before 3:00 AM in West Chester, the date in Seattle has not changed yet. From 9:00 PM in Seattle, it is already the next day in West Chester.
Does the time difference between West Chester, PA, and Seattle, WA, change?
No. The clocks in West Chester and in Seattle change on the same dates, so the difference stays 3 hours.
