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 04:58 4:58 AM San Juan 07:58 7:58 AM You –:–
04:58 4:58 AM
Pacific Daylight Time · UTC-7
☀️ 07:33 · 🌙 18:17
07:58 7:58 AM
Atlantic Standard Time · UTC-4
☀️ 05:55 · 🌙 17:48
·
+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 | 04:58 | 07:58 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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/Port of Spain |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | Not observed |
| Sunrise | 07:33 | 05:55 |
| Sunset | 18:17 | 17:48 |
| Daylight | 10 h 44 min | 11 h 52 min |
| People on this clock | 737,015 | — |
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 many hours ahead of Seattle, WA, is San Juan?
The clocks in San Juan are 3 hours ahead of those in Seattle (UTC−4 and 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.
What time is it in San Juan when it is 6:00 PM in Seattle, WA?
When it is 6:00 PM in Seattle, it is 9:00 PM in San Juan.
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.
From what time in Seattle, WA, is it tomorrow in San Juan?
Once it is 9:00 PM in Seattle, the date in San Juan has already changed. Until 3:00 AM in San Juan, it is still the previous day in Seattle.
Does the time difference between Seattle, WA, and San Juan change?
Yes. The clocks change only in Seattle. From November 1, 2026, San Juan will be 4 hours ahead of Seattle.
