Shanghai to Changwon: time difference
Changwon is 1 h ahead of Shanghai. Live clocks for both, the working hours they share, and how each one sits against your own time.
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Shanghai 11:21 11:21 AM Changwon 12:21 12:21 PM You –:–
11:21 11:21 AM
China Standard Time · UTC+8
☀️ 05:59 · 🌙 17:21
12:21 12:21 PM
Korean Standard Time · UTC+9
☀️ 06:34 · 🌙 17:48
·
+1 h
Changwon is 1 h ahead of Shanghai.
When you, Shanghai and Changwon 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
🇰🇷 Changwon
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 | 🇰🇷 Changwon |
|---|---|---|
| Local time | 11:21 | 12:21 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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 | 05:59 | 06:34 |
| Sunset | 17:21 | 17:48 |
| Daylight | 11 h 22 min | 11 h 14 min |
| People on this clock | 24,870,895 | 1,055,839 |
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 Changwon: common questions
How many hours ahead of Shanghai is Changwon?
The clocks in Changwon 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 Changwon?
At 9:00 AM in Shanghai, clocks in Changwon show 10:00 AM.
What time is it in Changwon at the end of the working day in Shanghai?
The working day in Shanghai ends at 6:00 PM; in Changwon it is 7:00 PM at that moment.
When is a good time to call Changwon from Shanghai?
Between 9:00 AM and 5:00 PM in Shanghai – that is 10:00 AM to 6:00 PM in Changwon – both places are within working hours (9:00 AM–6:00 PM).
From what time in Shanghai is it tomorrow in Changwon?
Once it is 11:00 PM in Shanghai, the date in Changwon has already changed. Until 1:00 AM in Changwon, it is still the previous day in Shanghai.
Does the time gap between Shanghai and Changwon change during the year?
No, the clocks change neither in Shanghai nor in Changwon, so the gap is 1 hour all year round.
