Shanghai to Cheongju: time difference
Cheongju is 1 h ahead of Shanghai. 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.
Shanghai 03:04 3:04 AM Cheongju 04:04 4:04 AM You –:–
03:04 3:04 AM
China Standard Time · UTC+8
☀️ 05:59 · 🌙 17:21
04:04 4:04 AM
Korean Standard Time · UTC+9
☀️ 06:40 · 🌙 17:52
·
+1 h
Cheongju is 1 h ahead of Shanghai.
When you, Shanghai and Cheongju are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇳 Shanghai
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
🇰🇷 Cheongju
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇳 Shanghai | 🇰🇷 Cheongju |
|---|---|---|
| Local time | 03:04 | 04:04 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | China Standard Time | Korean Standard Time |
| UTC offset | UTC+8 | UTC+9 |
| Offset from Shanghai | — | +1 h |
| IANA zone | Asia/Shanghai | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:59 | 06:40 |
| Sunset | 17:21 | 17:52 |
| Daylight | 11 h 22 min | 11 h 12 min |
| People on this clock | 24,870,895 | 835,669 |
Compare Shanghai with another city
More comparisons with Shanghai: the time zones next to it and the far side of the clock.
Big time differences
Shanghai and Cheongju: common questions
How many hours ahead of Shanghai is Cheongju?
The clocks in Cheongju are 1 hour ahead of those in Shanghai (UTC+9 and UTC+8).
What time is it in Cheongju when it is 9:00 AM in Shanghai?
When it is 9:00 AM in Shanghai, it is 10:00 AM in Cheongju.
What time is it in Cheongju at the end of the working day in Shanghai?
The working day in Shanghai ends at 6:00 PM; in Cheongju it is 7:00 PM at that moment.
Is there a time when both Shanghai and Cheongju are at work?
Yes: from 9:00 AM to 5:00 PM in Shanghai (10:00 AM to 6:00 PM in Cheongju), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Cheongju?
From 11:00 PM in Shanghai it is already the next day in Cheongju. The other way round, until 1:00 AM in Cheongju it is still the previous day in Shanghai.
Is the time difference between Shanghai and Cheongju the same all year?
Yes. Neither Shanghai nor Cheongju switches to summer time, so the gap is always 1 hour.
