Ilsan to Shanghai: time difference
Shanghai is 1 h behind Ilsan. 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.
Ilsan 03:05 3:05 AM Shanghai 02:05 2:05 AM You –:–
03:05 3:05 AM
Korean Standard Time · UTC+9
☀️ 06:44 · 🌙 17:54
02:05 2:05 AM
China Standard Time · UTC+8
☀️ 05:59 · 🌙 17:21
·
−1 h
Shanghai is 1 h behind Ilsan.
When you, Ilsan 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
🇰🇷 Ilsan
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 | 🇰🇷 Ilsan | 🇨🇳 Shanghai |
|---|---|---|
| Local time | 03:05 | 02:05 |
| 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 Ilsan | — | −1 h |
| IANA zone | Asia/Seoul | Asia/Shanghai |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:44 | 05:59 |
| Sunset | 17:54 | 17:21 |
| Daylight | 11 h 10 min | 11 h 22 min |
| People on this clock | 1,061,752 | 24,870,895 |
Compare Ilsan with another city
More comparisons with Ilsan: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Ilsan and Shanghai: common questions
What is the time difference between Ilsan and Shanghai?
Shanghai is 1 hour behind: it uses UTC+8, while Ilsan is on UTC+9.
If it is 9:00 AM in Ilsan, what time is it in Shanghai?
At 9:00 AM in Ilsan, clocks in Shanghai show 8:00 AM.
What time is it in Shanghai at the end of the working day in Ilsan?
The working day in Ilsan ends at 6:00 PM; in Shanghai it is 5:00 PM at that moment.
When do working hours in Ilsan and in Shanghai overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Ilsan, which is 9:00 AM to 5:00 PM in Shanghai.
When is it still the previous day in Shanghai?
Until 1:00 AM in Ilsan it is still the previous day in Shanghai. The other way round, from 11:00 PM in Shanghai it is already the next day in Ilsan.
Does the time difference between Ilsan and Shanghai change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
