Changshu to Seoul: time difference
Seoul is 1 h ahead of Changshu. 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.
Changshu 13:34 1:34 PM Seoul 14:34 2:34 PM You –:–
13:34 1:34 PM
China Standard Time · UTC+8
☀️ 05:59 · 🌙 17:29
14:34 2:34 PM
Korean Standard Time · UTC+9
☀️ 06:38 · 🌙 18:00
·
+1 h
Seoul is 1 h ahead of Changshu.
When you, Changshu 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
🇨🇳 Changshu
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 | 🇨🇳 Changshu | 🇰🇷 Seoul |
|---|---|---|
| Local time | 13:34 | 14:34 |
| Local date | Tuesday, October 13, 2026 | Tuesday, October 13, 2026 |
| Time zone | China Standard Time | Korean Standard Time |
| UTC offset | UTC+8 | UTC+9 |
| Offset from Changshu | — | +1 h |
| IANA zone | Asia/Shanghai | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:59 | 06:38 |
| Sunset | 17:29 | 18:00 |
| Daylight | 11 h 30 min | 11 h 22 min |
| People on this clock | 1,677,050 | 9,509,458 |
Compare Changshu with another city
More comparisons with Changshu: the time zones next to it and the far side of the clock.
Big time differences
Changshu and Seoul: common questions
How far ahead of Changshu is Seoul?
Seoul is 1 hour ahead of Changshu: UTC+9 against UTC+8.
What time is it in Seoul when it is 9:00 AM in Changshu?
When it is 9:00 AM in Changshu, it is 10:00 AM in Seoul.
If it is 6:00 PM in Changshu, what time is it in Seoul?
At 6:00 PM in Changshu, clocks in Seoul show 7:00 PM.
When do working hours in Changshu and in Seoul overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Changshu, which is 10:00 AM to 6:00 PM in Seoul.
From what time in Changshu is it tomorrow in Seoul?
Once it is 11:00 PM in Changshu, the date in Seoul has already changed. Until 1:00 AM in Seoul, it is still the previous day in Changshu.
Is the time difference between Changshu and Seoul the same all year?
Yes. Neither Changshu nor Seoul switches to summer time, so the gap is always 1 hour.
