🇨🇳VS🇯🇵
🌐Time Difference Calculator
ShanghaivsKosai
🇨🇳Shanghai
01:41:15
PM
Sunday, May 3, 2026
-1h
Shanghai behind
🇯🇵Kosai
02:41:15
PM
Sunday, May 3, 2026
Time ConverterShanghai ↔ Kosai
Click any row to convert — browse 2000–2050 with the arrows
| 📍Your Local Time detecting… | 🇨🇳 Shanghai UTC+08:00 | 🇯🇵 Kosai UTC+09:00 |
|---|
24-Hour OverviewShanghai vs Kosai
12a 4a 8a 12p 4p 8p 12a
🇨🇳ShanghaiBase
01:41 PM
🇯🇵Kosai 1h
02:41 PM
✓ Overlap
7h overlap
Work hours (9–5) Overlap Current time
Best Meeting HoursShanghai & Kosai
12am
1am
1am
2am
2am
3am
3am
4am
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5am
5am
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★
9am
10am
✓
10am
11am
✓
11am
12pm
✓
12pm
1pm
✓
1pm
2pm
✓
2pm
3pm
✓
3pm
4pm
✓
4pm
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5pm
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✓ Both working Shanghai workingKosai working
May 2026 — Time DifferenceShanghai vs Kosai
-1hConstant this month
No DST transitions in May 2026•Applies to all 31 days
Quick Reference — Shanghai → Kosai
| 🇨🇳 Shanghai (UTC+08:00) | 🇯🇵 Kosai (UTC+09:00) |
|---|---|
| 12:00 AM | 1:00 AM |
| 6:00 AM | 7:00 AM |
| 8:00 AM | 9:00 AM |
| 9:00 AM | 10:00 AM |
| 10:00 AM | 11:00 AM |
| 12:00 PM | 1:00 PM |
| 2:00 PM | 3:00 PM |
| 5:00 PM | 6:00 PM |
| 6:00 PM | 7:00 PM |
| 8:00 PM | 9:00 PM |
| 10:00 PM | 11:00 PM |
🇨🇳
Shanghai business hours
= 10:00 AM – 6:00 PM in Kosai
🇯🇵
Kosai business hours
= 8:00 AM – 4:00 PM in Shanghai
⇄
Midpoint meeting
1:00 PM in Shanghai = 2:00 PM in Kosai
More Tools
Related pages for Shanghai and Kosai
Location DetailsShanghai vs Kosai
👥 Population
24,874,500 approx.
vs
59,770 approx.
💵 Currency
Chinese Yu
vs
Japanese Y
🗣️ Language
Mandarin Chinese
vs
Japanese
📞 Calling Code
+86
vs
+81
📅 Weekend
Saturday,Sunday
=
Saturday,Sunday
🕐 Time Format
24H
=
24H
When to CallEnter a time in Shanghai — see what it is in Kosai
:
→
9:00 AM
Both cities in business hours — good time to call!
Quick pick:
Frequently Asked QuestionsShanghai & Kosai — Time Difference
Shanghai is 1h behind Kosai. Shanghai uses Asia/Shanghai (UTCUTC+08:00), Kosai uses Asia/Tokyo (UTCUTC+09:00).
The best overlap for business hours (9 AM–5 PM) is 9:00 AM–4:00 PM Shanghai time.
When it is 12:00 PM in Shanghai, it is 1:00 PM in Kosai.
Yes — it is currently 1:41 PM in Shanghai and 2:41 PM in Kosai. Both cities are within standard business hours.
Neither Shanghai nor Kosai is currently observing Daylight Saving Time.
It is Sunday in both Shanghai and Kosai right now.
When it is 9:00 AM in Shanghai, it is 10:00 AM in Kosai.
Compare with Other Cities
See how Shanghai and Kosai differ from major world cities