Time difference between Seoul and Shanghai
Shanghai is 1 hour behind Seoul
Right now
Seoul
01:38
KST ·
UTC+9
Shanghai
00:38
CST ·
UTC+8
Best time for a call between Seoul and Shanghai
Hours highlighted in green work for everyone on the list.
- 10:00 Seoul 09:00 Shanghai
- 11:00 Seoul 10:00 Shanghai
- 12:00 Seoul 11:00 Shanghai
Hour by hour: Seoul to Shanghai
Working hours are shaded. The rows marked with a star are the ones we recommend for a call.
| Seoul (reference) | Shanghai | |
|---|---|---|
| 00:00 | 23:00 (previous day) | |
| 01:00 | 00:00 | |
| 02:00 | 01:00 | |
| 03:00 | 02:00 | |
| 04:00 | 03:00 | |
| 05:00 | 04:00 | |
| 06:00 | 05:00 | |
| 07:00 | 06:00 | |
| 08:00 | 07:00 | |
| 09:00 | 08:00 | |
| ★ | 10:00 | 09:00 |
| ★ | 11:00 | 10:00 |
| ★ | 12:00 | 11:00 |
| 13:00 | 12:00 | |
| 14:00 | 13:00 | |
| 15:00 | 14:00 | |
| 16:00 | 15:00 | |
| 17:00 | 16:00 | |
| 18:00 | 17:00 | |
| 19:00 | 18:00 | |
| 20:00 | 19:00 | |
| 21:00 | 20:00 | |
| 22:00 | 21:00 | |
| 23:00 | 22:00 |
Table built for August 27, 2026. The live values above update in your browser.
Daylight saving time
Neither city observes daylight saving time, so the difference is fixed all year.
Frequently asked questions
What is the time difference between Seoul and Shanghai?
Shanghai is 1 hour behind Seoul
What is the best time to call between Seoul and Shanghai?
The most convenient slot is 10:00 Seoul / 09:00 Shanghai. That keeps the call inside working hours in both cities.
Does the difference between Seoul and Shanghai change during the year?
Neither city observes daylight saving time, so the difference is fixed all year.