Shanghai to Koriyama: time difference
Koriyama 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 01:46 1:46 AM Koriyama 02:46 2:46 AM You –:–
01:46 1:46 AM
China Standard Time · UTC+8
☀️ 06:01 · 🌙 17:18
02:46 2:46 AM
Japan Standard Time · UTC+9
☀️ 05:52 · 🌙 16:56
·
+1 h
Koriyama is 1 h ahead of Shanghai.
When you, Shanghai and Koriyama 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
🇯🇵 Koriyama
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 | 🇯🇵 Koriyama |
|---|---|---|
| Local time | 01:46 | 02:46 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | China Standard Time | Japan Standard Time |
| UTC offset | UTC+8 | UTC+9 |
| Offset from Shanghai | — | +1 h |
| IANA zone | Asia/Shanghai | Asia/Tokyo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:01 | 05:52 |
| Sunset | 17:18 | 16:56 |
| Daylight | 11 h 16 min | 11 h 3 min |
| People on this clock | 24,870,895 | 327,692 |
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 Koriyama: common questions
How many hours ahead of Shanghai is Koriyama?
The clocks in Koriyama are 1 hour ahead of those in Shanghai (UTC+9 and UTC+8).
If it is 9:00 AM in Shanghai, what time is it in Koriyama?
At 9:00 AM in Shanghai, clocks in Koriyama show 10:00 AM.
What time is it in Koriyama when it is 6:00 PM in Shanghai?
When it is 6:00 PM in Shanghai, it is 7:00 PM in Koriyama.
When do working hours in Shanghai and in Koriyama overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Shanghai, which is 10:00 AM to 6:00 PM in Koriyama.
When does the date change in Koriyama compared with Shanghai?
The new day starts in Koriyama earlier: at 11:00 PM in Shanghai it is already midnight there. Until 1:00 AM in Koriyama, Shanghai is still on the previous day.
Is the time difference between Shanghai and Koriyama the same all year?
Yes. Neither Shanghai nor Koriyama switches to summer time, so the gap is always 1 hour.
