Sleeptly

Jet lag plan

SeattleSan Jose

Seattle and San Jose share the same time zone.

About 1,142 km due south · approximately 2.3-hour non-stop flight · a medium-haul flight.

On arrival

  • Seattle and San Jose are in the same time zone — no jet lag adjustment needed.

About the SeattleSan Jose route

The route from Seattle, United States to San Jose, United States covers roughly 1,142 kilometres in a due south direction. At standard jet cruise speed plus a one-hour allowance for taxi, climb, and descent, a non-stop flight takes about 2.3 hours. Both cities sit in the northern hemisphere, so the seasonal direction of daylight (longer days in June, shorter in December) matches between origin and destination.

Seattle is in the temperate zone. Day length varies by four to six hours between summer and winter, so the season of your trip materially affects available morning and evening light. San Jose is in the temperate zone. Day length varies by four to six hours between summer and winter, so the season of your trip materially affects available morning and evening light.

Business-hours overlap

Standard 09:00–18:00 working hours at both ends of this route overlap by approximately 9 hours. In Seattle that window runs 09:00 to 18:00; in San Jose it is 09:00 to 18:00. This is the realistic window for live meetings, customer calls, or pair work without forcing either end out of normal hours.

Daylight saving on this route

Both cities observe daylight saving time. The hour offset on this route can shift by one hour twice a year (typically March and October/November), and the two clocks rarely change on the exact same date — expect a transient 1-hour mismatch for two to three weeks per transition.

Frequently asked questions

How long is the flight from Seattle to San Jose?

The great-circle distance from Seattle to San Jose is about 1,142 kilometres. A typical non-stop flight takes around 2.3 hours at standard cruise speed; routes with connections add two to four hours.

What is the time difference between Seattle and San Jose?

Seattle and San Jose share the same time zone, so there is no clock offset on this route.

Is jet lag worse flying east or west on this route?

No circadian shift is required between these two cities.

Should I take melatonin for the Seattle → San Jose trip?

For a shift of 0 hours, melatonin offers little benefit beyond what consistent light exposure already provides. The Cochrane review on jet-lag melatonin shows the strongest effects on shifts of five hours or more.

Do I need a pre-trip schedule shift for Seattle → San Jose?

For a shift under two hours, pre-trip adjustment is usually not worth the effort.

What chronotype handles this route best?

Chronotype does not affect adjustment on a same-time-zone route.

Sources

Popular routes from Seattle

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