Ulsan to Shanghai: time difference
Shanghai is 1 h behind Ulsan. 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.
Ulsan 00:00 12:00 AM Shanghai 23:00 11:00 PM You –:–
00:00 12:00 AM
Korean Standard Time · UTC+9
☀️ 06:31 · 🌙 17:47
23:00 11:00 PM
China Standard Time · UTC+8
☀️ 05:58 · 🌙 17:22
·
−1 h
Shanghai is 1 h behind Ulsan.
When you, Ulsan and Shanghai are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇰🇷 Ulsan
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
🇨🇳 Shanghai
23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇰🇷 Ulsan | 🇨🇳 Shanghai |
|---|---|---|
| Local time | 00:00 | 23:00 |
| Local date | Sunday, October 18, 2026 | Saturday, October 17, 2026 |
| Time zone | Korean Standard Time | China Standard Time |
| UTC offset | UTC+9 | UTC+8 |
| Offset from Ulsan | — | −1 h |
| IANA zone | Asia/Seoul | Asia/Shanghai |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:31 | 05:58 |
| Sunset | 17:47 | 17:22 |
| Daylight | 11 h 16 min | 11 h 23 min |
| People on this clock | 1,129,827 | 24,870,895 |
Compare Ulsan with another city
More comparisons with Ulsan: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Ulsan and Shanghai: common questions
How many hours behind Ulsan is Shanghai?
The clocks in Shanghai are 1 hour behind those in Ulsan (UTC+8 and UTC+9).
What time is it in Shanghai when it is 9:00 AM in Ulsan?
When it is 9:00 AM in Ulsan, it is 8:00 AM in Shanghai.
What time is it in Shanghai at the end of the working day in Ulsan?
The working day in Ulsan ends at 6:00 PM; in Shanghai it is 5:00 PM at that moment.
When do working hours in Ulsan and in Shanghai overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Ulsan, which is 9:00 AM to 5:00 PM in Shanghai.
Until what time in Ulsan is it still yesterday in Shanghai?
Before 1:00 AM in Ulsan, the date in Shanghai has not changed yet. From 11:00 PM in Shanghai, it is already the next day in Ulsan.
Does the time difference between Ulsan and Shanghai change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
