Time difference between San Francisco and Shanghai
San Francisco is 15h behind Shanghai. This gap is not fixed: daylight saving time moves it between −16h and −15h during the year.
San Francisco
United States
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Shanghai
China
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When the working days overlap
A 9-to-5 working day in San Francisco does not overlap one in Shanghai at all — somebody has to take the call outside office hours.
Time zones compared
| City | Time zone | UTC offset |
|---|---|---|
| San Francisco · United States | America/Los_Angeles | UTC−7 |
| Shanghai · China | Asia/Shanghai | UTC+8 |
Frequently asked questions
- What is the time difference between San Francisco and Shanghai?
- San Francisco is 15h behind Shanghai. This gap is not fixed: daylight saving time moves it between −16h and −15h during the year.
- Does the time difference between San Francisco and Shanghai change during the year?
- Yes. Because of daylight saving time the gap moves between −16h and −15h.
- When is the best time to call Shanghai from San Francisco?
- There is no overlap between standard working days, so one side has to call early or late.