China to Seoul: time difference
Seoul is 1 h ahead of China. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
China 09:34 9:34 AM Seoul 10:34 10:34 AM You –:–
09:34 9:34 AM
China Standard Time · UTC+8
☀️ 06:20 · 🌙 17:45
10:34 10:34 AM
Korean Standard Time · UTC+9
☀️ 06:36 · 🌙 18:04
·
+1 h
Seoul is 1 h ahead of China.
When you, China and Seoul are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇳 China
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇰🇷 Seoul
1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇳 China | 🇰🇷 Seoul |
|---|---|---|
| Local time | 09:34 | 10:34 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | China Standard Time | Korean Standard Time |
| UTC offset | UTC+8 | UTC+9 |
| Offset from China | — | +1 h |
| IANA zone | Asia/Shanghai | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:20 | 06:36 |
| Sunset | 17:45 | 18:04 |
| Daylight | 11 h 25 min | 11 h 29 min |
| People on this clock | 1,442,965,000 | 9,509,458 |
Compare China with another city
More comparisons with China: the time zones next to it and the far side of the clock.
Big time differences
China and Seoul: common questions
How many hours ahead of China is Seoul?
The clocks in Seoul are 1 hour ahead of those in China (UTC+9 and UTC+8).
What time is it in Seoul when it is 9:00 AM in China?
When it is 9:00 AM in China, it is 10:00 AM in Seoul.
What time is it in Seoul when it is 6:00 PM in China?
When it is 6:00 PM in China, it is 7:00 PM in Seoul.
Is there a time when both China and Seoul are at work?
Yes: from 9:00 AM to 5:00 PM in China (10:00 AM to 6:00 PM in Seoul), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Seoul compared with China?
The new day starts in Seoul earlier: at 11:00 PM in China it is already midnight there. Until 1:00 AM in Seoul, China is still on the previous day.
Does the time difference between China and Seoul change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
