Arecibo to Seattle, WA: time difference
Seattle, WA is 3 h behind Arecibo. 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.
Arecibo 14:01 2:01 PM Seattle, WA 11:01 11:01 AM You –:–
14:01 2:01 PM
Atlantic Standard Time · UTC-4
☀️ 06:22 · 🌙 18:04
11:01 11:01 AM
Pacific Daylight Time · UTC-7
☀️ 07:32 · 🌙 18:19
·
−3 h
Seattle, WA is 3 h behind Arecibo.
When you, Arecibo 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
🇵🇷 Arecibo
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 | 🇵🇷 Arecibo | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 14:01 | 11:01 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Atlantic Standard Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from Arecibo | — | −3 h |
| IANA zone | America/Puerto Rico | America/Los Angeles |
| Daylight saving | Not observed | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 06:22 | 07:32 |
| Sunset | 18:04 | 18:19 |
| Daylight | 11 h 42 min | 10 h 47 min |
| People on this clock | 39,634 | 737,015 |
Compare Arecibo with another city
More comparisons with Arecibo: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Arecibo and Seattle, WA: common questions
How far behind Arecibo is Seattle, WA?
Seattle is 3 hours behind Arecibo: UTC−7 against UTC−4.
If it is 9:00 AM in Arecibo, what time is it in Seattle, WA?
At 9:00 AM in Arecibo, clocks in Seattle show 6:00 AM.
What time is it in Seattle, WA, at the end of the working day in Arecibo?
The working day in Arecibo ends at 6:00 PM; in Seattle it is 3:00 PM at that moment.
When is a good time to call Seattle, WA, from Arecibo?
Between 12:00 PM and 6:00 PM in Arecibo – 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 Arecibo is it still yesterday in Seattle, WA?
Before 3:00 AM in Arecibo, the date in Seattle has not changed yet. From 9:00 PM in Seattle, it is already the next day in Arecibo.
Does the time difference between Arecibo and Seattle, WA, change?
Yes. The clocks change only in Seattle. From November 1, 2026, Seattle will be 4 hours behind Arecibo.
