Meeting time

Best time to meet: San Francisco and Shanghai

San Francisco is 16 hours behind Shanghai right now, so their working days do not overlap. The time that asks least of both is 4:30 PM in San Francisco, which is 8:30 AM in Shanghai — one of you starts early or stays late.

Tue 7:59 AMSan Francisco · Pacific Standard TimeTue 11:59 PMShanghai · China Standard Time
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Hour by hour

With the clocks as they are on November 10, 2026, San Francisco time on the left. A working day here is 9 AM to 5 PM.

San FranciscoShanghai
6 AM10 PMBoth off
7 AM11 PMBoth off
8 AM12 AM next dayBoth off
9 AM1 AM next daySan Francisco at work
10 AM2 AM next daySan Francisco at work
11 AM3 AM next daySan Francisco at work
12 PM4 AM next daySan Francisco at work
1 PM5 AM next daySan Francisco at work
2 PM6 AM next daySan Francisco at work
3 PM7 AM next daySan Francisco at work
4 PM8 AM next daySan Francisco at work
5 PM9 AM next dayShanghai at work
6 PM10 AM next dayShanghai at work
7 PM11 AM next dayShanghai at work
8 PM12 PM next dayShanghai at work
9 PM1 PM next dayShanghai at work
10 PM2 PM next dayShanghai at work

When the clocks change

The gap moves when either city changes its clocks. The next twelve months:

DatesSan Francisco isBoth at work (San Francisco time)Easiest (San Francisco / Shanghai)
Now to March 14, 202716 hours behindNone4:30 PM / 8:30 AM
March 14, 2027 to November 7, 2027
clocks in San Francisco go forward		15 hours behindNone5 PM / 8 AM
November 7, 2027 onward
clocks in San Francisco go back		16 hours behindNone4:30 PM / 8:30 AM

Shanghai keeps the same clock as Singapore.

Questions people ask

What time is it in Shanghai when it is 9 AM in San Francisco?
1 AM in Shanghai, the next day, while San Francisco is 16 hours behind.
When is the best time for a call between San Francisco and Shanghai?
4:30 PM in San Francisco, which is 8:30 AM in Shanghai. Their working days do not overlap, so this is the fairest time for both.
Does the time difference between San Francisco and Shanghai change during the year?
Yes — it changes 2 times in the next twelve months, when the clocks go forward or back; the dates are in the table above.

More cities

New York and San Francisco5 hours of shared working day · meet at 1:30 PM New York timeLondon and San FranciscoNo shared working hours · fairest at 4:30 PM London timeSan Francisco and BangaloreNo shared working hours · fairest at 6 PM San Francisco timeSan Francisco and SingaporeNo shared working hours · fairest at 4:30 PM San Francisco timeSan Francisco and Sydney3 hours of shared working day · meet at 3 PM San Francisco timeSan Francisco and Tokyo1 hour of shared working day · meet at 4 PM San Francisco timeSan Francisco and BerlinNo shared working hours · fairest at 8 AM San Francisco timeSan Francisco and Chicago6 hours of shared working day · meet at 11:30 AM San Francisco timeSan Francisco and DubaiNo shared working hours · fairest at 6:30 AM San Francisco timeSan Francisco and ParisNo shared working hours · fairest at 8 AM San Francisco timeSan Francisco and Toronto5 hours of shared working day · meet at 10:30 AM San Francisco timeSan Francisco and MumbaiNo shared working hours · fairest at 6 PM San Francisco time

Every city from San Francisco · Every city from Shanghai · All cities · Plan across more than two cities

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