Somerville, MA to Seattle, WA: time difference
Seattle, WA is 3 h behind Somerville, 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.
Somerville, MA 10:04 10:04 AM Seattle, WA 07:04 7:04 AM You –:–
10:04 10:04 AM
Eastern Daylight Time · UTC-4
☀️ 07:01 · 🌙 17:59
07:04 7:04 AM
Pacific Daylight Time · UTC-7
☀️ 07:33 · 🌙 18:17
·
−3 h
Seattle, WA is 3 h behind Somerville, MA.
When you, Somerville, 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
🇺🇸 Somerville, 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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Somerville, MA | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 10:04 | 07:04 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from Somerville, 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 | 07:01 | 07:33 |
| Sunset | 17:59 | 18:17 |
| Daylight | 10 h 58 min | 10 h 44 min |
| People on this clock | 75,754 | 737,015 |
Compare Somerville, MA with another city
More comparisons with Somerville, MA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Somerville, MA and Seattle, WA: common questions
How many hours behind Somerville, MA, is Seattle, WA?
The clocks in Seattle are 3 hours behind those in Somerville (UTC−7 and UTC−4).
What time is it in Seattle, WA, when it is 9:00 AM in Somerville, MA?
When it is 9:00 AM in Somerville, it is 6:00 AM in Seattle.
If it is 6:00 PM in Somerville, MA, what time is it in Seattle, WA?
At 6:00 PM in Somerville, clocks in Seattle show 3:00 PM.
Is there a time when both Somerville, MA, and Seattle, WA, are at work?
Yes: from 12:00 PM to 6:00 PM in Somerville (9:00 AM to 3:00 PM in Seattle), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Somerville, MA, is it still yesterday in Seattle, WA?
Before 3:00 AM in Somerville, the date in Seattle has not changed yet. From 9:00 PM in Seattle, it is already the next day in Somerville.
Does the time gap between Somerville, 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.
