Seoul, South Korea
Sat, Jul 4, 2026 23:37
- Timezone
- Asia/Seoul
- UTC offset
- UTC+09:00
- Daylight saving
- No
Seoul and Shanghai Time Difference
Compare Seoul vs Shanghai time, current local times, UTC offset difference, daylight saving status, and the best time to plan meetings or travel.
Quick Answer
What is the time difference between Seoul and Shanghai?
The live comparison below shows both local times, current UTC offsets, daylight saving status, and whether Shanghai is ahead of or behind Seoul.
Current time difference
Shanghai, China
Sat, Jul 4, 2026 22:37
- Timezone
- Asia/Shanghai
- UTC offset
- UTC+08:00
- Daylight saving
- No
Time difference
Shanghai is 1 hour behind Seoul
UTC offset difference
-01:00
Suggested call window
Sat, Jul 4, 10:00-19:00 / Sat, Jul 4, 09:00-18:00
Calculated using initiator awake hours of 08:00-23:00 and recipient office hours of 09:00-18:00.
Dynamic Time Difference
Seoul is 1 hour ahead of Shanghai
Seoul is 1 hour ahead of Shanghai throughout 2026. Neither timezone changes its UTC offset during the year.
Seoul
UTC+09:00 · No seasonal offset change detected
Shanghai
UTC+08:00 · No seasonal offset change detected
Business Call Window
09:00-18:00 work-hour overlap
Both 09:00-18:00 workdays overlap. A practical window is 10:00-18:00 in Seoul, which is 09:00-17:00 in Shanghai.
Seoul: 10:00-18:00
Shanghai: 09:00-17:00
24-Hour Conversion Table
Seoul to Shanghai hourly time conversion
The table uses today's active UTC offsets. Seasonal rows can shift when daylight saving time changes.
| Seoul | 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 |
FAQ
What is the current time difference between Seoul and Shanghai?
Seoul is 1 hour ahead of Shanghai. This uses the active IANA timezone offsets for today.
When does the Seoul-Shanghai time difference change in 2026?
Seoul is 1 hour ahead of Shanghai throughout 2026. Neither timezone changes its UTC offset during the year.
What are the current UTC offsets for Seoul and Shanghai?
Seoul is currently UTC+09:00; Shanghai is currently UTC+08:00.
Which direction does the clock change when flying from Seoul to Shanghai?
Travelers from Seoul to Shanghai move their clock back by 1 hour.
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