Ansan to Shanghai: time difference
Shanghai is 1 h behind Ansan. 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.
Ansan 03:00 3:00 AM Shanghai 02:00 2:00 AM You –:–
03:00 3:00 AM
Korean Standard Time · UTC+9
☀️ 06:43 · 🌙 17:54
02:00 2:00 AM
China Standard Time · UTC+8
☀️ 05:59 · 🌙 17:21
·
−1 h
Shanghai is 1 h behind Ansan.
When you, Ansan 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
🇰🇷 Ansan
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 | 🇰🇷 Ansan | 🇨🇳 Shanghai |
|---|---|---|
| Local time | 03:00 | 02:00 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Korean Standard Time | China Standard Time |
| UTC offset | UTC+9 | UTC+8 |
| Offset from Ansan | — | −1 h |
| IANA zone | Asia/Seoul | Asia/Shanghai |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:43 | 05:59 |
| Sunset | 17:54 | 17:21 |
| Daylight | 11 h 10 min | 11 h 22 min |
| People on this clock | 677,710 | 24,870,895 |
Compare Ansan with another city
More comparisons with Ansan: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Ansan and Shanghai: common questions
How far behind Ansan is Shanghai?
Shanghai is 1 hour behind Ansan: UTC+8 against UTC+9.
If it is 9:00 AM in Ansan, what time is it in Shanghai?
At 9:00 AM in Ansan, clocks in Shanghai show 8:00 AM.
What time is it in Shanghai at the end of the working day in Ansan?
The working day in Ansan ends at 6:00 PM; in Shanghai it is 5:00 PM at that moment.
When do working hours in Ansan and in Shanghai overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Ansan, which is 9:00 AM to 5:00 PM in Shanghai.
When does the date change in Shanghai compared with Ansan?
The new day starts in Shanghai later: until 1:00 AM in Ansan, it is still the previous day there. From 11:00 PM in Shanghai, Ansan is already on the next day.
Is the time difference between Ansan and Shanghai the same all year?
Yes. Neither Ansan nor Shanghai switches to summer time, so the gap is always 1 hour.
