Nanjing to Seoul: time difference
Seoul is 1 h ahead of Nanjing. 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.
Nanjing 11:29 11:29 AM Seoul 12:29 12:29 PM You –:–
11:29 11:29 AM
China Standard Time · UTC+8
☀️ 06:05 · 🌙 17:40
12:29 12:29 PM
Korean Standard Time · UTC+9
☀️ 06:36 · 🌙 18:04
·
+1 h
Seoul is 1 h ahead of Nanjing.
When you, Nanjing 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
🇨🇳 Nanjing
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 | 🇨🇳 Nanjing | 🇰🇷 Seoul |
|---|---|---|
| Local time | 11:29 | 12:29 |
| 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 Nanjing | — | +1 h |
| IANA zone | Asia/Shanghai | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:05 | 06:36 |
| Sunset | 17:40 | 18:04 |
| Daylight | 11 h 35 min | 11 h 29 min |
| People on this clock | 9,314,685 | 9,509,458 |
Compare Nanjing with another city
More comparisons with Nanjing: the time zones next to it and the far side of the clock.
Big time differences
Nanjing and Seoul: common questions
What is the time difference between Nanjing and Seoul?
Seoul is 1 hour ahead: it uses UTC+9, while Nanjing is on UTC+8.
What time is it in Seoul when it is 9:00 AM in Nanjing?
When it is 9:00 AM in Nanjing, it is 10:00 AM in Seoul.
If it is 6:00 PM in Nanjing, what time is it in Seoul?
At 6:00 PM in Nanjing, clocks in Seoul show 7:00 PM.
Is there a time when both Nanjing and Seoul are at work?
Yes: from 9:00 AM to 5:00 PM in Nanjing (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 Nanjing?
The new day starts in Seoul earlier: at 11:00 PM in Nanjing it is already midnight there. Until 1:00 AM in Seoul, Nanjing is still on the previous day.
Does the time gap between Nanjing and Seoul change during the year?
No, the clocks change neither in Nanjing nor in Seoul, so the gap is 1 hour all year round.
