Seattle, WA to San Juan: time difference
San Juan is 3 h ahead of Seattle, WA. 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.
Seattle, WA 23:50 11:50 PM San Juan 02:50 2:50 AM You –:–
23:50 11:50 PM
Pacific Daylight Time · UTC-7
☀️ 07:20 · 🌙 18:34
02:50 2:50 AM
Atlantic Standard Time · UTC-4
☀️ 06:18 · 🌙 18:07
·
+3 h
San Juan is 3 h ahead of Seattle, WA.
When you, Seattle, WA and San Juan are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Seattle, WA
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
🇵🇷 San Juan
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 0 12 AM 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Seattle, WA | 🇵🇷 San Juan |
|---|---|---|
| Local time | 23:50 | 02:50 |
| Local date | Friday, October 9, 2026 | Saturday, October 10, 2026 |
| Time zone | Pacific Daylight Time | Atlantic Standard Time |
| UTC offset | UTC-7 | UTC-4 |
| Offset from Seattle, WA | — | +3 h |
| IANA zone | America/Los Angeles | America/Puerto Rico |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | Not observed |
| Sunrise | 07:20 | 06:18 |
| Sunset | 18:34 | 18:07 |
| Daylight | 11 h 14 min | 11 h 49 min |
| People on this clock | 737,015 | 322,854 |
Compare Seattle, WA with another city
More comparisons with Seattle, WA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Seattle, WA and San Juan: common questions
How far ahead of Seattle, WA, is San Juan?
San Juan is 3 hours ahead of Seattle: UTC−4 against UTC−7.
What time is it in San Juan at the start of the working day in Seattle, WA?
The working day in Seattle starts at 9:00 AM; in San Juan it is 12:00 PM at that moment.
If it is 6:00 PM in Seattle, WA, what time is it in San Juan?
At 6:00 PM in Seattle, clocks in San Juan show 9:00 PM.
When do working hours in Seattle, WA, and in San Juan overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Seattle, which is 12:00 PM to 6:00 PM in San Juan.
When is it already the next day in San Juan?
From 9:00 PM in Seattle, WA, it is already the next day in San Juan. The other way round, until 3:00 AM in San Juan it is still the previous day in Seattle.
Is the time difference between Seattle, WA, and San Juan the same all year?
No. Only Seattle switches to summer time, so the gap changes twice a year. From November 1, 2026, San Juan will be 4 hours ahead of Seattle.
