Seoul to Datong: time difference
Datong 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 08:25 8:25 AM Datong 07:25 7:25 AM You –:–
08:25 8:25 AM
Korean Standard Time · UTC+9
☀️ 06:46 · 🌙 17:49
07:25 7:25 AM
China Standard Time · UTC+8
☀️ 06:44 · 🌙 17:41
·
−1 h
Datong is 1 h behind Seoul.
When you, Seoul and Datong 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
🇨🇳 Datong
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 | 🇨🇳 Datong |
|---|---|---|
| Local time | 08:25 | 07:25 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 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 | 06:46 | 06:44 |
| Sunset | 17:49 | 17:41 |
| Daylight | 11 h 3 min | 10 h 57 min |
| People on this clock | 9,509,458 | 3,318,057 |
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 Datong: common questions
How many hours behind Seoul is Datong?
The clocks in Datong are 1 hour behind those in Seoul (UTC+8 and UTC+9).
If it is 9:00 AM in Seoul, what time is it in Datong?
At 9:00 AM in Seoul, clocks in Datong show 8:00 AM.
What time is it in Datong at the end of the working day in Seoul?
The working day in Seoul ends at 6:00 PM; in Datong it is 5:00 PM at that moment.
Is there a time when both Seoul and Datong are at work?
Yes: from 10:00 AM to 6:00 PM in Seoul (9:00 AM to 5:00 PM in Datong), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Datong?
Until 1:00 AM in Seoul it is still the previous day in Datong. The other way round, from 11:00 PM in Datong it is already the next day in Seoul.
Does the time gap between Seoul and Datong change during the year?
No, the clocks change neither in Seoul nor in Datong, so the gap is 1 hour all year round.
