Time difference between Seoul and Shanghai
World time board
Seoul · South KoreaUTC+09:00
08:42 PMFRI 02.10.2026
Now 08:42 PM|Live
Drag or scroll · click an hour · ◀ ▶ by hour · 3 days of range
Work–
daydawn / dusknight
- Time difference
- Seoul is 1 hour ahead
- Changes with DST
- No
- Day difference
- Same day
- Typical workday overlap (9am–6pm)
- 8 hours
| Seoul | Shanghai |
|---|---|
| 00:00 | 23:00-1 |
| 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 |
How the time difference changes over the next 12 months
Seoul is 1 hour ahead of Shanghai. The difference stays the same all year, because neither Seoul nor Shanghai changes its clocks.
Working hours
With a 9:00 AM–6:00 PM working day in both places, the shared hours are 10:00 AM–6:00 PM in Seoul, which is 9:00 AM–5:00 PM in Shanghai (8 hours a day).
From midnight to 1:00 AM in Seoul, it is still the previous day in Shanghai.
Frequently asked questions
- What is the time difference between Seoul and Shanghai?
- Seoul is 1 hour ahead of Shanghai.
- Does the time difference between Seoul and Shanghai change during the year?
- No. The difference stays the same all year, because neither Seoul nor Shanghai changes its clocks.