Tokyo, Japan
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Asia/TokyoGMT+09:00
Portola Valley, United States
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America/Los_AngelesGMT-07:00
16h
Time Difference
0h
Business Hours Overlap
Limited
Good Call Window
Hour-by-Hour Time Conversion
| Tokyo | Portola Valley | Status |
|---|---|---|
| 12:00 AM | 8:00 AM | |
| 1:00 AM | 9:00 AM | Work in Portola Valley |
| 2:00 AM | 10:00 AM | Work in Portola Valley |
| 3:00 AM | 11:00 AM | Work in Portola Valley |
| 4:00 AM | 12:00 PM | Work in Portola Valley |
| 5:00 AM | 1:00 PM | Work in Portola Valley |
| 6:00 AM | 2:00 PM | Work in Portola Valley |
| 7:00 AM | 3:00 PM | Work in Portola Valley |
| 8:00 AM | 4:00 PM | Work in Portola Valley |
| 9:00 AM | 5:00 PM | Work in Tokyo |
| 10:00 AM | 6:00 PM | Work in Tokyo |
| 11:00 AM | 7:00 PM | Work in Tokyo |
| 12:00 PM | 8:00 PM | Work in Tokyo |
| 1:00 PM | 9:00 PM | Work in Tokyo |
| 2:00 PM | 10:00 PM | Work in Tokyo |
| 3:00 PM | 11:00 PM | Work in Tokyo |
| 4:00 PM | 12:00 AM | Work in Tokyo |
| 5:00 PM | 1:00 AM | |
| 6:00 PM | 2:00 AM | |
| 7:00 PM | 3:00 AM | |
| 8:00 PM | 4:00 AM | |
| 9:00 PM | 5:00 AM | |
| 10:00 PM | 6:00 AM | |
| 11:00 PM | 7:00 AM |
More Time Comparisons
About the Time Difference Between Tokyo and Portola Valley
The time difference between Tokyo, Japan and Portola Valley, United States is 16 hours behind.Tokyo operates on the Asia/Tokyo timezone (GMT+09:00), while Portola Valley uses America/Los_Angeles (GMT-07:00).
Scheduling Tips
- Business hours overlap: There are 0 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 Tokyo, what time is it in Portola Valley?
When it's 12:00 PM (noon) in Tokyo, it's 8:00 PM in Portola Valley.