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Time Difference: Seoul to Shanghai

🇰🇷SeoulUTC+9
vs
🇨🇳ShanghaiUTC+8
🇰🇷
Seoul, South Korea
Fri, May 22
🇨🇳
Shanghai, China
Fri, May 22

Click a time to convert

Time Difference
1 hour
Shanghai is 1 hour behind Seoul
Compare on map
🇰🇷
Seoul
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🇨🇳
Shanghai
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Seoul vs Shanghai timezone guide

Seoul (South Korea) uses the Asia/Seoul timezone at UTC+9, while Shanghai (China) uses Asia/Shanghai at UTC+8. This means Shanghai is 1 hour behind Seoul (based on standard offsets — the live difference above accounts for daylight saving time).

Best meeting times between Seoul and Shanghai

Standard 9-to-5 working hours overlap by 7 hours per day. The shared window is 10am–5pm in Seoul, which is 9am–4pm in Shanghai. Schedule recurring meetings inside that window and both teams stay inside standard working hours.

Hour-by-hour planner

SeoulShanghaiStatus
6am5amSeoul early, Shanghai asleep
7am6amSeoul early, Shanghai early
8am7amSeoul early, Shanghai early
9am8amOne side outside 9-to-5 but still awake
10am9amBoth at work — ideal meeting time
11am10amBoth at work — ideal meeting time
12pm11amBoth at work — ideal meeting time
1pm12pmBoth at work — ideal meeting time
2pm1pmBoth at work — ideal meeting time
3pm2pmBoth at work — ideal meeting time
4pm3pmBoth at work — ideal meeting time
5pm4pmOne side outside 9-to-5 but still awake
6pm5pmSeoul evening, Shanghai evening
7pm6pmSeoul evening, Shanghai evening
8pm7pmSeoul evening, Shanghai evening
9pm8pmSeoul evening, Shanghai evening
10pm9pmSeoul late evening, Shanghai evening

Green = standard working hours (9 AM – 5 PM). Amber = early (6–9 AM). Orange = evening (5–10 PM). Grey = asleep or late.

Daylight saving time between Seoul and Shanghai

Neither Seoul nor Shanghai observes daylight saving time. The time difference between them stays at 1 hour ahead all year — recurring meetings only need to be scheduled once.

Distance between Seoul and Shanghai

Great-circle distance
866 km
Direct flight time
~2h 1m

Seoul and Shanghai are 866 km apart along the great-circle route. A direct flight takes roughly ~2h 1m, depending on aircraft type, winds, and routing.

More comparisons

Seoul to New YorkSeoul to LondonSeoul to TokyoSeoul to SydneyShanghai to New YorkShanghai to LondonShanghai to TokyoShanghai to Sydney

Frequently asked questions

What is the time difference between Seoul and Shanghai?
The current time difference is 1 hour. Seoul is currently 1 hour ahead of Shanghai.
Is Seoul ahead of Shanghai?
Yes. Seoul is currently 1 hour ahead of Shanghai.
What time is it in Shanghai when it's 9 AM in Seoul?
When it's 9 AM in Seoul, it's 8am in Shanghai.
When is the best time to schedule a meeting between Seoul and Shanghai?
The best window is 10am–5pm in Seoul, which is 9am–4pm in Shanghai. That's 7 hours where both teams are inside standard 9-to-5 working hours.
Do Seoul and Shanghai observe daylight saving time?
Neither Seoul nor Shanghai observes daylight saving time. The difference between them stays constant year-round.
How far apart are Seoul and Shanghai?
Seoul and Shanghai are 866 km apart along the great-circle route. A direct flight takes roughly 2 hours 1 minutes.