Changsha to Seoul: time difference
Seoul is 1 h ahead of Changsha. 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.
Changsha 13:00 1:00 PM Seoul 14:00 2:00 PM You –:–
13:00 1:00 PM
China Standard Time · UTC+8
☀️ 06:26 · 🌙 18:06
14:00 2:00 PM
Korean Standard Time · UTC+9
☀️ 06:36 · 🌙 18:04
·
+1 h
Seoul is 1 h ahead of Changsha.
When you, Changsha 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
🇨🇳 Changsha
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 | 🇨🇳 Changsha | 🇰🇷 Seoul |
|---|---|---|
| Local time | 13:00 | 14:00 |
| 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 Changsha | — | +1 h |
| IANA zone | Asia/Shanghai | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:26 | 06:36 |
| Sunset | 18:06 | 18:04 |
| Daylight | 11 h 40 min | 11 h 29 min |
| People on this clock | 5,289,000 | 9,509,458 |
Compare Changsha with another city
More comparisons with Changsha: the time zones next to it and the far side of the clock.
Big time differences
Changsha and Seoul: common questions
What is the time difference between Changsha and Seoul?
Seoul is 1 hour ahead: it uses UTC+9, while Changsha is on UTC+8.
What time is it in Seoul at the start of the working day in Changsha?
The working day in Changsha starts at 9:00 AM; in Seoul it is 10:00 AM at that moment.
If it is 6:00 PM in Changsha, what time is it in Seoul?
At 6:00 PM in Changsha, clocks in Seoul show 7:00 PM.
Is there a time when both Changsha and Seoul are at work?
Yes: from 9:00 AM to 5:00 PM in Changsha (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 Changsha?
The new day starts in Seoul earlier: at 11:00 PM in Changsha it is already midnight there. Until 1:00 AM in Seoul, Changsha is still on the previous day.
Does the time gap between Changsha and Seoul change during the year?
No, the clocks change neither in Changsha nor in Seoul, so the gap is 1 hour all year round.
