Meeting time

Best time to meet: Shanghai and Philadelphia

Shanghai is 13 hours ahead of Philadelphia right now, so their working days do not overlap. The time that asks least of both is 7 AM in Shanghai, which is 6 PM in Philadelphia — one of you starts early or stays late.

Tue 11:58 PMShanghai · China Standard TimeTue 10:58 AMPhiladelphia · Eastern Standard Time
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Hour by hour

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

ShanghaiPhiladelphia
6 AM5 PM day beforeBoth off
7 AM6 PM day beforeEasiest time
8 AM7 PM day beforeBoth off
9 AM8 PM day beforeShanghai at work
10 AM9 PM day beforeShanghai at work
11 AM10 PM day beforeShanghai at work
12 PM11 PM day beforeShanghai at work
1 PM12 AMShanghai at work
2 PM1 AMShanghai at work
3 PM2 AMShanghai at work
4 PM3 AMShanghai at work
5 PM4 AMBoth off
6 PM5 AMBoth off
7 PM6 AMBoth off
8 PM7 AMBoth off
9 PM8 AMBoth off
10 PM9 AMPhiladelphia at work

When the clocks change

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

DatesShanghai isBoth at work (Shanghai time)Easiest (Shanghai / Philadelphia)
Now to March 14, 202713 hours aheadNone7 AM / 6 PM
March 14, 2027 to November 7, 2027
clocks in Philadelphia go forward		12 hours aheadNone6:30 AM / 6:30 PM
November 7, 2027 onward
clocks in Philadelphia go back		13 hours aheadNone7 AM / 6 PM

Shanghai keeps the same clock as Singapore; Philadelphia keeps the same clock as New York.

Questions people ask

What time is it in Philadelphia when it is 9 AM in Shanghai?
8 PM in Philadelphia, the day before, while Shanghai is 13 hours ahead.
When is the best time for a call between Shanghai and Philadelphia?
7 AM in Shanghai, which is 6 PM in Philadelphia. Their working days do not overlap, so this is the fairest time for both.
Does the time difference between Shanghai and Philadelphia 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 ShanghaiNo shared working hours · fairest at 6 PM New York timeLondon and ShanghaiNo shared working hours · fairest at 8:30 AM London timeSan Francisco and ShanghaiNo shared working hours · fairest at 4:30 PM San Francisco timeLos Angeles and ShanghaiNo shared working hours · fairest at 4:30 PM Los Angeles timeBangalore and Shanghai5 hours 30 minutes of shared working day · meet at 11 AM Bangalore timeSydney and Shanghai5 hours of shared working day · meet at 1:30 PM Sydney timeTokyo and Shanghai7 hours of shared working day · meet at 11 AM Tokyo timeBerlin and Shanghai1 hour of shared working day · meet at 9 AM Berlin timeParis and Shanghai1 hour of shared working day · meet at 9 AM Paris timeToronto and ShanghaiNo shared working hours · fairest at 6 PM Toronto timeChicago and ShanghaiNo shared working hours · fairest at 5:30 PM Chicago timeDubai and Shanghai4 hours of shared working day · meet at 10 AM Dubai time

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

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