Shanghai to Seogwipo: time difference
Seogwipo 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 07:24 7:24 AM Seogwipo 08:24 8:24 AM You –:–
07:24 7:24 AM
China Standard Time · UTC+8
☀️ 05:59 · 🌙 17:21
08:24 8:24 AM
Korean Standard Time · UTC+9
☀️ 06:41 · 🌙 17:59
·
+1 h
Seogwipo is 1 h ahead of Shanghai.
When you, Shanghai and Seogwipo 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
🇰🇷 Seogwipo
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 | 🇰🇷 Seogwipo |
|---|---|---|
| Local time | 07:24 | 08:24 |
| 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 | 06:41 |
| Sunset | 17:21 | 17:59 |
| Daylight | 11 h 22 min | 11 h 18 min |
| People on this clock | 24,870,895 | 155,641 |
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 Seogwipo: common questions
How many hours ahead of Shanghai is Seogwipo?
The clocks in Seogwipo are 1 hour ahead of those in Shanghai (UTC+9 and UTC+8).
What time is it in Seogwipo when it is 9:00 AM in Shanghai?
When it is 9:00 AM in Shanghai, it is 10:00 AM in Seogwipo.
What time is it in Seogwipo at the end of the working day in Shanghai?
The working day in Shanghai ends at 6:00 PM; in Seogwipo it is 7:00 PM at that moment.
Is there a time when both Shanghai and Seogwipo are at work?
Yes: from 9:00 AM to 5:00 PM in Shanghai (10:00 AM to 6:00 PM in Seogwipo), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Seogwipo compared with Shanghai?
The new day starts in Seogwipo earlier: at 11:00 PM in Shanghai it is already midnight there. Until 1:00 AM in Seogwipo, Shanghai is still on the previous day.
Does the time gap between Shanghai and Seogwipo change during the year?
No, the clocks change neither in Shanghai nor in Seogwipo, so the gap is 1 hour all year round.
