Okayama to Shanghai: time difference
Shanghai is 1 h behind Okayama. 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.
Okayama 02:42 2:42 AM Shanghai 01:42 1:42 AM You –:–
02:42 2:42 AM
Japan Standard Time · UTC+9
☀️ 06:15 · 🌙 17:24
01:42 1:42 AM
China Standard Time · UTC+8
☀️ 06:01 · 🌙 17:18
·
−1 h
Shanghai is 1 h behind Okayama.
When you, Okayama 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
🇯🇵 Okayama
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 | 🇯🇵 Okayama | 🇨🇳 Shanghai |
|---|---|---|
| Local time | 02:42 | 01:42 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Japan Standard Time | China Standard Time |
| UTC offset | UTC+9 | UTC+8 |
| Offset from Okayama | — | −1 h |
| IANA zone | Asia/Tokyo | Asia/Shanghai |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:15 | 06:01 |
| Sunset | 17:24 | 17:18 |
| Daylight | 11 h 9 min | 11 h 16 min |
| People on this clock | 719,474 | 24,870,895 |
Compare Okayama with another city
More comparisons with Okayama: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Okayama and Shanghai: common questions
How many hours behind Okayama is Shanghai?
The clocks in Shanghai are 1 hour behind those in Okayama (UTC+8 and UTC+9).
If it is 9:00 AM in Okayama, what time is it in Shanghai?
At 9:00 AM in Okayama, clocks in Shanghai show 8:00 AM.
If it is 6:00 PM in Okayama, what time is it in Shanghai?
At 6:00 PM in Okayama, clocks in Shanghai show 5:00 PM.
Is there a time when both Okayama and Shanghai are at work?
Yes: from 10:00 AM to 6:00 PM in Okayama (9:00 AM to 5:00 PM in Shanghai), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Okayama is it still yesterday in Shanghai?
Before 1:00 AM in Okayama, the date in Shanghai has not changed yet. From 11:00 PM in Shanghai, it is already the next day in Okayama.
Is the time difference between Okayama and Shanghai the same all year?
Yes. Neither Okayama nor Shanghai switches to summer time, so the gap is always 1 hour.
