Seoul to Nanjing: time difference
Nanjing is 1 h behind Seoul. 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.
Seoul 19:19 7:19 PM Nanjing 18:19 6:19 PM You –:–
19:19 7:19 PM
Korean Standard Time · UTC+9
☀️ 06:36 · 🌙 18:04
18:19 6:19 PM
China Standard Time · UTC+8
☀️ 06:05 · 🌙 17:40
·
−1 h
Nanjing is 1 h behind Seoul.
When you, Seoul and Nanjing are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇰🇷 Seoul
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
🇨🇳 Nanjing
23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇰🇷 Seoul | 🇨🇳 Nanjing |
|---|---|---|
| Local time | 19:19 | 18:19 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Korean Standard Time | China Standard Time |
| UTC offset | UTC+9 | UTC+8 |
| Offset from Seoul | — | −1 h |
| IANA zone | Asia/Seoul | Asia/Shanghai |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:36 | 06:05 |
| Sunset | 18:04 | 17:40 |
| Daylight | 11 h 29 min | 11 h 35 min |
| People on this clock | 9,509,458 | 9,314,685 |
Compare Seoul with another city
More comparisons with Seoul: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Seoul and Nanjing: common questions
How many hours behind Seoul is Nanjing?
The clocks in Nanjing are 1 hour behind those in Seoul (UTC+8 and UTC+9).
What time is it in Nanjing at the start of the working day in Seoul?
The working day in Seoul starts at 9:00 AM; in Nanjing it is 8:00 AM at that moment.
What time is it in Nanjing when it is 6:00 PM in Seoul?
When it is 6:00 PM in Seoul, it is 5:00 PM in Nanjing.
Is there a time when both Seoul and Nanjing are at work?
Yes: from 10:00 AM to 6:00 PM in Seoul (9:00 AM to 5:00 PM in Nanjing), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Nanjing compared with Seoul?
The new day starts in Nanjing later: until 1:00 AM in Seoul, it is still the previous day there. From 11:00 PM in Nanjing, Seoul is already on the next day.
Is the time difference between Seoul and Nanjing the same all year?
Yes. Neither Seoul nor Nanjing switches to summer time, so the gap is always 1 hour.
