Datong to Seoul: time difference
Seoul is 1 h ahead of Datong. 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.
Datong 07:25 7:25 AM Seoul 08:25 8:25 AM You –:–
07:25 7:25 AM
China Standard Time · UTC+8
☀️ 06:44 · 🌙 17:41
08:25 8:25 AM
Korean Standard Time · UTC+9
☀️ 06:46 · 🌙 17:49
·
+1 h
Seoul is 1 h ahead of Datong.
When you, Datong 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
🇨🇳 Datong
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 | 🇨🇳 Datong | 🇰🇷 Seoul |
|---|---|---|
| Local time | 07:25 | 08:25 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | China Standard Time | Korean Standard Time |
| UTC offset | UTC+8 | UTC+9 |
| Offset from Datong | — | +1 h |
| IANA zone | Asia/Shanghai | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:44 | 06:46 |
| Sunset | 17:41 | 17:49 |
| Daylight | 10 h 57 min | 11 h 3 min |
| People on this clock | 3,318,057 | 9,509,458 |
Compare Datong with another city
More comparisons with Datong: the time zones next to it and the far side of the clock.
Big time differences
Datong and Seoul: common questions
How many hours ahead of Datong is Seoul?
The clocks in Seoul are 1 hour ahead of those in Datong (UTC+9 and UTC+8).
If it is 9:00 AM in Datong, what time is it in Seoul?
At 9:00 AM in Datong, clocks in Seoul show 10:00 AM.
What time is it in Seoul at the end of the working day in Datong?
The working day in Datong ends at 6:00 PM; in Seoul it is 7:00 PM at that moment.
When do working hours in Datong and in Seoul overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Datong, which is 10:00 AM to 6:00 PM in Seoul.
From what time in Datong is it tomorrow in Seoul?
Once it is 11:00 PM in Datong, the date in Seoul has already changed. Until 1:00 AM in Seoul, it is still the previous day in Datong.
Is the time difference between Datong and Seoul the same all year?
Yes. Neither Datong nor Seoul switches to summer time, so the gap is always 1 hour.
