Acton, MA to Seattle, WA: time difference
Seattle, WA is 3 h behind Acton, MA. 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.
Acton, MA 22:53 10:53 PM Seattle, WA 19:53 7:53 PM You –:–
22:53 10:53 PM
Eastern Daylight Time · UTC-4
☀️ 06:52 · 🌙 18:15
19:53 7:53 PM
Pacific Daylight Time · UTC-7
☀️ 07:20 · 🌙 18:34
·
−3 h
Seattle, WA is 3 h behind Acton, MA.
When you, Acton, MA 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
🇺🇸 Acton, MA
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 | 🇺🇸 Acton, MA | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 22:53 | 19:53 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from Acton, MA | — | −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 | 06:52 | 07:20 |
| Sunset | 18:15 | 18:34 |
| Daylight | 11 h 23 min | 11 h 14 min |
| People on this clock | 7,596 | 737,015 |
Compare Acton, MA with another city
More comparisons with Acton, MA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Acton, MA and Seattle, WA: common questions
What is the time difference between Acton, MA, and Seattle, WA?
Seattle is 3 hours behind: it uses UTC−7, while Acton is on UTC−4.
If it is 9:00 AM in Acton, MA, what time is it in Seattle, WA?
At 9:00 AM in Acton, clocks in Seattle show 6:00 AM.
What time is it in Seattle, WA, when it is 6:00 PM in Acton, MA?
When it is 6:00 PM in Acton, it is 3:00 PM in Seattle.
When is a good time to call Seattle, WA, from Acton, MA?
Between 12:00 PM and 6:00 PM in Acton – that is 9:00 AM to 3:00 PM in Seattle – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Seattle, WA?
Until 3:00 AM in Acton, MA, 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 Acton.
Does the time gap between Acton, MA, 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.
