Gongju to Shanghai: time difference
Shanghai is 1 h behind Gongju. 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.
Gongju 04:09 4:09 AM Shanghai 03:09 3:09 AM You –:–
04:09 4:09 AM
Korean Standard Time · UTC+9
☀️ 06:42 · 🌙 17:54
03:09 3:09 AM
China Standard Time · UTC+8
☀️ 05:59 · 🌙 17:21
·
−1 h
Shanghai is 1 h behind Gongju.
When you, Gongju 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
🇰🇷 Gongju
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 | 🇰🇷 Gongju | 🇨🇳 Shanghai |
|---|---|---|
| Local time | 04:09 | 03:09 |
| 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 Gongju | — | −1 h |
| IANA zone | Asia/Seoul | Asia/Shanghai |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:42 | 05:59 |
| Sunset | 17:54 | 17:21 |
| Daylight | 11 h 12 min | 11 h 22 min |
| People on this clock | 110,428 | 24,870,895 |
Compare Gongju with another city
More comparisons with Gongju: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Gongju and Shanghai: common questions
What is the time difference between Gongju and Shanghai?
Shanghai is 1 hour behind: it uses UTC+8, while Gongju is on UTC+9.
What time is it in Shanghai when it is 9:00 AM in Gongju?
When it is 9:00 AM in Gongju, it is 8:00 AM in Shanghai.
What time is it in Shanghai at the end of the working day in Gongju?
The working day in Gongju ends at 6:00 PM; in Shanghai it is 5:00 PM at that moment.
When do working hours in Gongju and in Shanghai overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Gongju, 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 Gongju 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 Gongju.
Does the time difference between Gongju and Shanghai change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
