Shanghai to Cheonan: time difference
Cheonan is 1 h ahead of Shanghai. 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.
Shanghai 03:50 3:50 AM Cheonan 04:50 4:50 AM You –:–
03:50 3:50 AM
China Standard Time · UTC+8
☀️ 06:01 · 🌙 17:19
04:50 4:50 AM
Korean Standard Time · UTC+9
☀️ 06:44 · 🌙 17:51
·
+1 h
Cheonan is 1 h ahead of Shanghai.
When you, Shanghai and Cheonan are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇳 Shanghai
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
🇰🇷 Cheonan
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 | 🇨🇳 Shanghai | 🇰🇷 Cheonan |
|---|---|---|
| Local time | 03:50 | 04:50 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | China Standard Time | Korean Standard Time |
| UTC offset | UTC+8 | UTC+9 |
| Offset from Shanghai | — | +1 h |
| IANA zone | Asia/Shanghai | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:01 | 06:44 |
| Sunset | 17:19 | 17:51 |
| Daylight | 11 h 18 min | 11 h 7 min |
| People on this clock | 24,870,895 | 658,486 |
Compare Shanghai with another city
More comparisons with Shanghai: the time zones next to it and the far side of the clock.
Big time differences
Shanghai and Cheonan: common questions
How many hours ahead of Shanghai is Cheonan?
The clocks in Cheonan are 1 hour ahead of those in Shanghai (UTC+9 and UTC+8).
If it is 9:00 AM in Shanghai, what time is it in Cheonan?
At 9:00 AM in Shanghai, clocks in Cheonan show 10:00 AM.
What time is it in Cheonan at the end of the working day in Shanghai?
The working day in Shanghai ends at 6:00 PM; in Cheonan it is 7:00 PM at that moment.
When do working hours in Shanghai and in Cheonan overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Shanghai, which is 10:00 AM to 6:00 PM in Cheonan.
From what time in Shanghai is it tomorrow in Cheonan?
Once it is 11:00 PM in Shanghai, the date in Cheonan has already changed. Until 1:00 AM in Cheonan, it is still the previous day in Shanghai.
Is the time difference between Shanghai and Cheonan the same all year?
Yes. Neither Shanghai nor Cheonan switches to summer time, so the gap is always 1 hour.
