Seattle to San José Time Difference
San José is 1 hour ahead of Seattle. When it's 05:55:59 AM in Seattle, it's 06:55:59 AM in San José.
How Many Hours Ahead Is San José From Seattle?
San José is 1 hour ahead of Seattle. So Seattle is 1 hour behind San José looking the other way — the same gap, described from the other end.
In practice that means a working day in Seattle starts when it is already 10:00 AM in San José. The gap is not fixed all year: it becomes 2 hours on Sunday, November 1, 2026, when Seattle changes its clocks.
Best Time to Call Seattle and San José
Both cities are inside normal business hours between 9:00 AM and 4:00 PM in Seattle — that's 10:00 AM to 5:00 PM in San José. That's a 7-hour window, so a call fits comfortably in either side's working day.
both at work Seattle only San José only neither — hours shown along the strip are Seattle local time.
Convert a Specific Time
Pick any date and time in Seattle to see the exact equivalent in San José.
Common Times Converted
Seattle time on the left, San José time on the right.
Seattle to San José: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in Seattle. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| Seattle | San José | Working hours |
|---|---|---|
| 12:00 AM | 1:00 AM | — |
| 1:00 AM | 2:00 AM | — |
| 2:00 AM | 3:00 AM | — |
| 3:00 AM | 4:00 AM | — |
| 4:00 AM | 5:00 AM | — |
| 5:00 AM | 6:00 AM | — |
| 6:00 AM | 7:00 AM | — |
| 7:00 AM | 8:00 AM | — |
| 8:00 AM | 9:00 AM | San José only |
| 9:00 AM | 10:00 AM | Both cities |
| 10:00 AM | 11:00 AM | Both cities |
| 11:00 AM | 12:00 PM | Both cities |
| 12:00 PM | 1:00 PM | Both cities |
| 1:00 PM | 2:00 PM | Both cities |
| 2:00 PM | 3:00 PM | Both cities |
| 3:00 PM | 4:00 PM | Both cities |
| 4:00 PM | 5:00 PM | Seattle only |
| 5:00 PM | 6:00 PM | — |
| 6:00 PM | 7:00 PM | — |
| 7:00 PM | 8:00 PM | — |
| 8:00 PM | 9:00 PM | — |
| 9:00 PM | 10:00 PM | — |
| 10:00 PM | 11:00 PM | — |
| 11:00 PM | 12:00 AM next day | — |
Understanding the Seattle – San José Time Difference
Seattle runs on America/Los_Angeles, currently PDT (UTC-7:00). San José runs on America/Costa_Rica, currently CST (UTC-6:00). The gap of 1 hour is simply the distance between those two offsets.
Seattle observes Daylight Saving Time and San José does not, so the gap between them shifts by an hour twice a year. The next shift is on Sunday, November 1, 2026, when Seattle adjusts its clocks and the difference becomes 2 hours. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in the United States.
Seattle today
San José today
Frequently Asked Questions
What is the time difference between Seattle and San José?
San José is currently 1 hour ahead of Seattle. That gap becomes 2 hours on Sunday, November 1, 2026, when Seattle changes its clocks.
How many hours ahead is San José from Seattle?
San José is 1 hour ahead of Seattle. Looking at it the other way, Seattle is 1 hour behind San José.
What time is it in San José when it is 9:00 AM in Seattle?
When it is 9:00 AM in Seattle, it is 10:00 AM in San José.
Is San José ahead of or behind Seattle?
San José is 1 hour ahead of Seattle. San José reaches each point in the day first, so its working day is already finishing while Seattle is still getting started.
What is the best time to call between Seattle and San José?
Between 9:00 AM and 4:00 PM Seattle time, which is 10:00 AM to 5:00 PM in San José. Both cities are inside normal business hours during that window.
Does the time difference between Seattle and San José change during the year?
Yes. Seattle observes Daylight Saving Time and San José does not, so the gap between them shifts during the year. It changes to 2 hours on Sunday, November 1, 2026.
What time zones are Seattle and San José in?
Seattle uses the America/Los_Angeles time zone, currently PDT (UTC-7:00). San José uses America/Costa_Rica, currently CST (UTC-6:00).