Koriyama to Shanghai: time difference
Shanghai is 1 h behind Koriyama. 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.
Koriyama 22:18 10:18 PM Shanghai 21:18 9:18 PM You –:–
22:18 10:18 PM
Japan Standard Time · UTC+9
☀️ 05:51 · 🌙 16:57
21:18 9:18 PM
China Standard Time · UTC+8
☀️ 06:01 · 🌙 17:19
·
−1 h
Shanghai is 1 h behind Koriyama.
When you, Koriyama 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
🇯🇵 Koriyama
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 | 🇯🇵 Koriyama | 🇨🇳 Shanghai |
|---|---|---|
| Local time | 22:18 | 21:18 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Japan Standard Time | China Standard Time |
| UTC offset | UTC+9 | UTC+8 |
| Offset from Koriyama | — | −1 h |
| IANA zone | Asia/Tokyo | Asia/Shanghai |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:51 | 06:01 |
| Sunset | 16:57 | 17:19 |
| Daylight | 11 h 6 min | 11 h 18 min |
| People on this clock | 327,692 | 24,870,895 |
Compare Koriyama with another city
More comparisons with Koriyama: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Koriyama and Shanghai: common questions
How many hours behind Koriyama is Shanghai?
The clocks in Shanghai are 1 hour behind those in Koriyama (UTC+8 and UTC+9).
What time is it in Shanghai when it is 9:00 AM in Koriyama?
When it is 9:00 AM in Koriyama, it is 8:00 AM in Shanghai.
What time is it in Shanghai when it is 6:00 PM in Koriyama?
When it is 6:00 PM in Koriyama, it is 5:00 PM in Shanghai.
Is there a time when both Koriyama and Shanghai are at work?
Yes: from 10:00 AM to 6:00 PM in Koriyama (9:00 AM to 5:00 PM in Shanghai), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Koriyama is it still yesterday in Shanghai?
Before 1:00 AM in Koriyama, the date in Shanghai has not changed yet. From 11:00 PM in Shanghai, it is already the next day in Koriyama.
Is the time difference between Koriyama and Shanghai the same all year?
Yes. Neither Koriyama nor Shanghai switches to summer time, so the gap is always 1 hour.
