Hyannis, MA to Seattle, WA: time difference
Seattle, WA is 3 h behind Hyannis, 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.
Hyannis, MA 01:19 1:19 AM Seattle, WA 22:19 10:19 PM You –:–
01:19 1:19 AM
Eastern Daylight Time · UTC-4
☀️ 07:02 · 🌙 17:51
22:19 10:19 PM
Pacific Daylight Time · UTC-7
☀️ 07:37 · 🌙 18:12
·
−3 h
Seattle, WA is 3 h behind Hyannis, MA.
When you, Hyannis, 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
🇺🇸 Hyannis, 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 | 🇺🇸 Hyannis, MA | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 01:19 | 22:19 |
| Local date | Thursday, October 22, 2026 | Wednesday, October 21, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from Hyannis, 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 | 07:02 | 07:37 |
| Sunset | 17:51 | 18:12 |
| Daylight | 10 h 49 min | 10 h 34 min |
| People on this clock | 20,097 | 737,015 |
Compare Hyannis, MA with another city
More comparisons with Hyannis, MA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Hyannis, MA and Seattle, WA: common questions
What is the time difference between Hyannis, MA, and Seattle, WA?
Seattle is 3 hours behind: it uses UTC−7, while Hyannis is on UTC−4.
What time is it in Seattle, WA, at the start of the working day in Hyannis, MA?
The working day in Hyannis starts at 9:00 AM; in Seattle it is 6:00 AM at that moment.
What time is it in Seattle, WA, when it is 6:00 PM in Hyannis, MA?
When it is 6:00 PM in Hyannis, it is 3:00 PM in Seattle.
When is a good time to call Seattle, WA, from Hyannis, MA?
Between 12:00 PM and 6:00 PM in Hyannis – 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 Hyannis, MA, is it still yesterday in Seattle, WA?
Before 3:00 AM in Hyannis, the date in Seattle has not changed yet. From 9:00 PM in Seattle, it is already the next day in Hyannis.
Does the time difference between Hyannis, MA, and Seattle, WA, change?
No. The clocks in Hyannis and in Seattle change on the same dates, so the difference stays 3 hours.
