Meeting time

Best time to meet: Shanghai and Seoul

Shanghai is 1 hour behind Seoul right now. Their working days overlap for 7 hours: 9 AM to 4 PM in Shanghai, which is 10 AM to 5 PM in Seoul. The easiest time to meet is 10 AM in Shanghai (11 AM in Seoul).

Tue 11:57 PMShanghai · China Standard TimeWed 12:57 AMSeoul · Korean 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.

ShanghaiSeoul
6 AM7 AMBoth off
7 AM8 AMBoth off
8 AM9 AMSeoul at work
9 AM10 AMBoth at work
10 AM11 AMEasiest time
11 AM12 PMBoth at work
12 PM1 PMBoth at work
1 PM2 PMBoth at work
2 PM3 PMBoth at work
3 PM4 PMBoth at work
4 PM5 PMShanghai at work
5 PM6 PMBoth off
6 PM7 PMBoth off
7 PM8 PMBoth off
8 PM9 PMBoth off
9 PM10 PMBoth off
10 PM11 PMBoth off

All year

The gap between Shanghai and Seoul does not move during the year, so the table above holds all year.

Shanghai keeps the same clock as Singapore; Seoul keeps the same clock as Tokyo.

Questions people ask

What time is it in Seoul when it is 9 AM in Shanghai?
10 AM in Seoul, while Shanghai is 1 hour behind.
When is the best time for a call between Shanghai and Seoul?
10 AM in Shanghai, which is 11 AM in Seoul. Both cities are at work from 9 AM to 4 PM Shanghai time.
Does the time difference between Shanghai and Seoul change during the year?
No. It stays 1 hour all year: the clocks either do not change or change on the same day in both.

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 timeNew York and SeoulNo shared working hours · fairest at 5:30 PM New York timeLondon and SeoulNo shared working hours · fairest at 8 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 timeSan Francisco and Seoul1 hour of shared working day · meet at 4 PM San Francisco timeBangalore and Shanghai5 hours 30 minutes of shared working day · meet at 11 AM Bangalore timeLos Angeles and Seoul1 hour of shared working day · meet at 4 PM Los Angeles timeBangalore and Seoul4 hours 30 minutes of shared working day · meet at 10 AM Bangalore timeSingapore and Seoul7 hours of shared working day · meet at 10 AM Singapore timeSydney and Shanghai5 hours of shared working day · meet at 1:30 PM Sydney time

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

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