SeaTac, WA to San Jose: time difference
San Jose is 1 h ahead of SeaTac, 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.
SeaTac, WA 15:17 3:17 PM San Jose 16:17 4:17 PM You –:–
15:17 3:17 PM
Pacific Daylight Time · UTC-7
☀️ 07:31 · 🌙 18:19
16:17 4:17 PM
Central Standard Time · UTC-6
☀️ 05:25 · 🌙 17:19
·
+1 h
San Jose is 1 h ahead of SeaTac, WA.
When you, SeaTac, WA and San Jose are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 SeaTac, 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 Jose
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 0 12 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 SeaTac, WA | 🇨🇷 San Jose |
|---|---|---|
| Local time | 15:17 | 16:17 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Pacific Daylight Time | Central Standard Time |
| UTC offset | UTC-7 | UTC-6 |
| Offset from SeaTac, WA | — | +1 h |
| IANA zone | America/Los Angeles | America/Costa Rica |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | Not observed |
| Sunrise | 07:31 | 05:25 |
| Sunset | 18:19 | 17:19 |
| Daylight | 10 h 48 min | 11 h 54 min |
| People on this clock | 31,454 | 342,188 |
Compare SeaTac, WA with another city
More comparisons with SeaTac, WA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
SeaTac, WA and San Jose: common questions
How many hours ahead of SeaTac, WA, is San Jose?
The clocks in San Jose are 1 hour ahead of those in SeaTac (UTC−6 and UTC−7).
If it is 9:00 AM in SeaTac, WA, what time is it in San Jose?
At 9:00 AM in SeaTac, clocks in San Jose show 10:00 AM.
What time is it in San Jose at the end of the working day in SeaTac, WA?
The working day in SeaTac ends at 6:00 PM; in San Jose it is 7:00 PM at that moment.
When do working hours in SeaTac, WA, and in San Jose overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in SeaTac, which is 10:00 AM to 6:00 PM in San Jose.
When is it already the next day in San Jose?
From 11:00 PM in SeaTac, WA, it is already the next day in San Jose. The other way round, until 1:00 AM in San Jose it is still the previous day in SeaTac.
Does the time difference between SeaTac, WA, and San Jose change?
Yes. The clocks change only in SeaTac. From November 1, 2026, San Jose will be 2 hours ahead of SeaTac.
