Shanghai to Itoman: time difference
Itoman 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 21:16 9:16 PM Itoman 22:16 10:16 PM You –:–
21:16 9:16 PM
China Standard Time · UTC+8
☀️ 06:01 · 🌙 17:19
22:16 10:16 PM
Japan Standard Time · UTC+9
☀️ 06:31 · 🌙 17:58
·
+1 h
Itoman is 1 h ahead of Shanghai.
When you, Shanghai and Itoman 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
🇯🇵 Itoman
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 | 🇯🇵 Itoman |
|---|---|---|
| Local time | 21:16 | 22:16 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 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 | 06:31 |
| Sunset | 17:19 | 17:58 |
| Daylight | 11 h 18 min | 11 h 27 min |
| People on this clock | 24,870,895 | 61,007 |
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 Itoman: common questions
How many hours ahead of Shanghai is Itoman?
The clocks in Itoman 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 Itoman?
At 9:00 AM in Shanghai, clocks in Itoman show 10:00 AM.
What time is it in Itoman at the end of the working day in Shanghai?
The working day in Shanghai ends at 6:00 PM; in Itoman it is 7:00 PM at that moment.
When do working hours in Shanghai and in Itoman 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 Itoman.
When does the date change in Itoman compared with Shanghai?
The new day starts in Itoman earlier: at 11:00 PM in Shanghai it is already midnight there. Until 1:00 AM in Itoman, Shanghai is still on the previous day.
Does the time difference between Shanghai and Itoman change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
