Shanghai to Ulsan Time Difference

Ulsan is 1 hour ahead of Shanghai. When it is noon in Shanghai, it is 13:00 in Ulsan.

Shanghai (UTC+8)Seoul (UTC+9)

⏱️1 hour ahead
20:23

Sat, Apr 18

📞 +86💱 CNY

Ulsan

South Korea

21:23

Sat, Apr 18

📞 +82💱 KRW

🕐 Interactive Time Explorer

When it's 12:00 in Shanghai, it's 13:00 in Ulsan

Drag the slider to see corresponding times in both cities

12:00
0:006:0012:0018:0023:00
Shanghai
12:00
Ulsan
13:00
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🤝 Best Meeting Times

Shanghai & Ulsan
Times shown in Shanghai time
Excellent - Both in office
Good - Flexible hours

✓ Perfect Match (7 hours)

◐ Extended Hours (2 hours)

✈️ Travel Information

Distance

871 km

Est. Flight Time

~2h

Time Difference

+1h

Work Hours Overlap

7h

Excellent

🔴 Office Closed

Tomorrow 09:00

09:00 - 16:00

⏰ Quick Conversion

06:00

Shanghai

07:00

Ulsan

09:00

Shanghai

10:00

Ulsan

12:00

Shanghai

13:00

Ulsan

15:00

Shanghai

16:00

Ulsan

18:00

Shanghai

19:00

Ulsan

21:00

Shanghai

22:00

Ulsan

00:00

Shanghai

01:00

Ulsan

03:00

Shanghai

04:00

Ulsan

Frequently Asked Questions

How many hours is Shanghai behind Ulsan?

Ulsan is 1 hour ahead of Shanghai. When it is 12:00 noon in Shanghai, it is 13:00 in Ulsan. Shanghai operates on Asia/Shanghai (UTC+8), while Ulsan uses Asia/Seoul (UTC+9).

What is the best time to call Ulsan from Shanghai?

There are 7 hours of overlapping business time (9 AM–5 PM) between Shanghai and Ulsan. The best window is 09:00–16:00 Shanghai time (10:00–17:00 in Ulsan).

Does the Shanghai to Ulsan time difference change throughout the year?

The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.

Flying between Shanghai and Ulsan

The distance between Shanghai and Ulsan is approximately 871 km. A direct flight typically takes around 2 hours. Your arrival clock will show local Ulsan time — use our Flight Time Calculator to predict exact arrival times.