Philadelphia, PA to Seattle, WA: time difference
Seattle, WA is 3 h behind Philadelphia, 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.
Philadelphia, PA 09:54 9:54 AM Seattle, WA 06:54 6:54 AM You –:–
09:54 9:54 AM
Eastern Daylight Time · UTC-4
☀️ 07:06 · 🌙 18:30
06:54 6:54 AM
Pacific Daylight Time · UTC-7
☀️ 07:22 · 🌙 18:32
·
−3 h
Seattle, WA is 3 h behind Philadelphia, PA.
When you, Philadelphia, 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
🇺🇸 Philadelphia, 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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Philadelphia, PA | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 09:54 | 06:54 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from Philadelphia, 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 | 07:06 | 07:22 |
| Sunset | 18:30 | 18:32 |
| Daylight | 11 h 24 min | 11 h 11 min |
| People on this clock | 1,573,916 | 737,015 |
Compare Philadelphia, PA with another city
More comparisons with Philadelphia, PA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Philadelphia, PA and Seattle, WA: common questions
What is the time difference between Philadelphia, PA, and Seattle, WA?
Seattle is 3 hours behind: it uses UTC−7, while Philadelphia is on UTC−4.
What time is it in Seattle, WA, when it is 9:00 AM in Philadelphia, PA?
When it is 9:00 AM in Philadelphia, it is 6:00 AM in Seattle.
If it is 6:00 PM in Philadelphia, PA, what time is it in Seattle, WA?
At 6:00 PM in Philadelphia, clocks in Seattle show 3:00 PM.
When is a good time to call Seattle, WA, from Philadelphia, PA?
Between 12:00 PM and 6:00 PM in Philadelphia – 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 Philadelphia, PA, is it still yesterday in Seattle, WA?
Before 3:00 AM in Philadelphia, the date in Seattle has not changed yet. From 9:00 PM in Seattle, it is already the next day in Philadelphia.
Does the time difference between Philadelphia, PA, and Seattle, WA, change?
No. The clocks in Philadelphia and in Seattle change on the same dates, so the difference stays 3 hours.
