New Castle, PA to Seattle, WA: time difference
Seattle, WA is 3 h behind New Castle, 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.
New Castle, PA 20:52 8:52 PM Seattle, WA 17:52 5:52 PM You –:–
20:52 8:52 PM
Eastern Daylight Time · UTC-4
☀️ 07:39 · 🌙 18:35
17:52 5:52 PM
Pacific Daylight Time · UTC-7
☀️ 07:36 · 🌙 18:13
·
−3 h
Seattle, WA is 3 h behind New Castle, PA.
When you, New Castle, 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
🇺🇸 New Castle, 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 | 🇺🇸 New Castle, PA | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 20:52 | 17:52 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from New Castle, 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 | 07:39 | 07:36 |
| Sunset | 18:35 | 18:13 |
| Daylight | 10 h 56 min | 10 h 37 min |
| People on this clock | 21,926 | 737,015 |
Compare New Castle, PA with another city
More comparisons with New Castle, PA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
New Castle, PA and Seattle, WA: common questions
How far behind New Castle, PA, is Seattle, WA?
Seattle is 3 hours behind New Castle: UTC−7 against UTC−4.
What time is it in Seattle, WA, when it is 9:00 AM in New Castle, PA?
When it is 9:00 AM in New Castle, it is 6:00 AM in Seattle.
What time is it in Seattle, WA, when it is 6:00 PM in New Castle, PA?
When it is 6:00 PM in New Castle, it is 3:00 PM in Seattle.
Is there a time when both New Castle, PA, and Seattle, WA, are at work?
Yes: from 12:00 PM to 6:00 PM in New Castle (9:00 AM to 3:00 PM in Seattle), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Seattle, WA?
Until 3:00 AM in New Castle, PA, it is still the previous day in Seattle. The other way round, from 9:00 PM in Seattle it is already the next day in New Castle.
Is the time difference between New Castle, PA, and Seattle, WA, the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 3 hours.
