Time difference between Istanbul and San Francisco
Istanbul is 10h ahead of San Francisco. This gap is not fixed: daylight saving time moves it between +10h and +11h during the year.
Istanbul
Türkiye
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San Francisco
United States
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When the working days overlap
A 9-to-5 working day in Istanbul does not overlap one in San Francisco at all — somebody has to take the call outside office hours.
Time zones compared
| City | Time zone | UTC offset |
|---|---|---|
| Istanbul · Türkiye | Europe/Istanbul | UTC+3 |
| San Francisco · United States | America/Los_Angeles | UTC−7 |
Frequently asked questions
- What is the time difference between Istanbul and San Francisco?
- Istanbul is 10h ahead of San Francisco. This gap is not fixed: daylight saving time moves it between +10h and +11h during the year.
- Does the time difference between Istanbul and San Francisco change during the year?
- Yes. Because of daylight saving time the gap moves between +10h and +11h.
- When is the best time to call San Francisco from Istanbul?
- There is no overlap between standard working days, so one side has to call early or late.