Osaka, Japan
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Asia/TokyoGMT+09:00
Tehran, Iran
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Asia/TehranGMT+03:30
5.5h
Time Difference
3h
Business Hours Overlap
Yes
Good Call Window
Best Times to Call
These times work well for both cities during business hours (9 AM - 5 PM):
3:00 PM in Osaka
9:30 AM in Tehran
4:00 PM in Osaka
10:30 AM in Tehran
Hour-by-Hour Time Conversion
| Osaka | Tehran | Status |
|---|---|---|
| 12:00 AM | 6:30 PM | |
| 1:00 AM | 7:30 PM | |
| 2:00 AM | 8:30 PM | |
| 3:00 AM | 9:30 PM | |
| 4:00 AM | 10:30 PM | |
| 5:00 AM | 11:30 PM | |
| 6:00 AM | 12:30 AM | |
| 7:00 AM | 1:30 AM | |
| 8:00 AM | 2:30 AM | |
| 9:00 AM | 3:30 AM | Work in Osaka |
| 10:00 AM | 4:30 AM | Work in Osaka |
| 11:00 AM | 5:30 AM | Work in Osaka |
| 12:00 PM | 6:30 AM | Work in Osaka |
| 1:00 PM | 7:30 AM | Work in Osaka |
| 2:00 PM | 8:30 AM | Work in Osaka |
| 3:00 PM | 9:30 AM | Work Hours |
| 4:00 PM | 10:30 AM | Work Hours |
| 5:00 PM | 11:30 AM | Work in Tehran |
| 6:00 PM | 12:30 PM | Work in Tehran |
| 7:00 PM | 1:30 PM | Work in Tehran |
| 8:00 PM | 2:30 PM | Work in Tehran |
| 9:00 PM | 3:30 PM | Work in Tehran |
| 10:00 PM | 4:30 PM | Work in Tehran |
| 11:00 PM | 5:30 PM |
More Time Comparisons
About the Time Difference Between Osaka and Tehran
The time difference between Osaka, Japan and Tehran, Iran is 5.5 hours behind.Osaka operates on the Asia/Tokyo timezone (GMT+09:00), while Tehran uses Asia/Tehran (GMT+03:30).
Scheduling Tips
- Business hours overlap: There are 3 hours when both cities are within typical work hours (9 AM - 5 PM).
- Best call times: Schedule calls during the green-highlighted hours in the conversion table above for optimal timing.
- Daylight Saving Time: Remember that the time difference may change during DST transitions. Always verify current times before important meetings.
Frequently Asked Questions
When it's noon in Osaka, what time is it in Tehran?
When it's 12:00 PM (noon) in Osaka, it's 7:00 AM in Tehran.