Seoul to Shanghai Time Difference
Shanghai is 1 hour behind Seoul. When it is noon in Seoul, it is 11:00 in Shanghai.
Seoul (UTC+9) → Shanghai (UTC+8)
🕐 Interactive Time Explorer
When it's 19:00 in Seoul, it's 18:00 in Shanghai
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Seoul & Shanghai✓ Perfect Match (7 hours)
◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
867 km
Est. Flight Time
~2h
Time Difference
-1h
Work Hours Overlap
7h
Excellent
🔴 Office Closed
Today 10:00
10:00 - 17:00
⏰ Quick Conversion
06:00
Seoul
05:00
Shanghai
09:00
Seoul
08:00
Shanghai
12:00
Seoul
11:00
Shanghai
15:00
Seoul
14:00
Shanghai
18:00
Seoul
17:00
Shanghai
21:00
Seoul
20:00
Shanghai
00:00
Seoul
23:00
Shanghai (-1)
03:00
Seoul
02:00
Shanghai
Frequently Asked Questions
How many hours is Seoul ahead of Shanghai?
Shanghai is 1 hour behind Seoul. When it is 12:00 noon in Seoul, it is 11:00 in Shanghai. Seoul operates on Asia/Seoul (UTC+9), while Shanghai uses Asia/Shanghai (UTC+8).
What is the best time to call Shanghai from Seoul?
There are 8 hours of overlapping business time (9 AM–5 PM) between Seoul and Shanghai. The best window is 10:00–18:00 Seoul time (09:00–17:00 in Shanghai).
Does the Seoul to Shanghai time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Seoul and Shanghai
The distance between Seoul and Shanghai is approximately 867 km. A direct flight typically takes around 2 hours. Your arrival clock will show local Shanghai time — use our Flight Time Calculator to predict exact arrival times.