Portland, United States
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America/Los_AngelesGMT-07:00
Shanghai, China
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Asia/ShanghaiGMT+08:00
15h
Time Difference
0h
Business Hours Overlap
Limited
Good Call Window
Hour-by-Hour Time Conversion
| Portland | Shanghai | Status |
|---|---|---|
| 12:00 AM | 3:00 PM | Work in Shanghai |
| 1:00 AM | 4:00 PM | Work in Shanghai |
| 2:00 AM | 5:00 PM | |
| 3:00 AM | 6:00 PM | |
| 4:00 AM | 7:00 PM | |
| 5:00 AM | 8:00 PM | |
| 6:00 AM | 9:00 PM | |
| 7:00 AM | 10:00 PM | |
| 8:00 AM | 11:00 PM | |
| 9:00 AM | 12:00 AM | Work in Portland |
| 10:00 AM | 1:00 AM | Work in Portland |
| 11:00 AM | 2:00 AM | Work in Portland |
| 12:00 PM | 3:00 AM | Work in Portland |
| 1:00 PM | 4:00 AM | Work in Portland |
| 2:00 PM | 5:00 AM | Work in Portland |
| 3:00 PM | 6:00 AM | Work in Portland |
| 4:00 PM | 7:00 AM | Work in Portland |
| 5:00 PM | 8:00 AM | |
| 6:00 PM | 9:00 AM | Work in Shanghai |
| 7:00 PM | 10:00 AM | Work in Shanghai |
| 8:00 PM | 11:00 AM | Work in Shanghai |
| 9:00 PM | 12:00 PM | Work in Shanghai |
| 10:00 PM | 1:00 PM | Work in Shanghai |
| 11:00 PM | 2:00 PM | Work in Shanghai |
More Time Comparisons
About the Time Difference Between Portland and Shanghai
The time difference between Portland, United States and Shanghai, China is 15 hours ahead.Portland operates on the America/Los_Angeles timezone (GMT-07:00), while Shanghai uses Asia/Shanghai (GMT+08:00).
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 Portland, what time is it in Shanghai?
When it's 12:00 PM (noon) in Portland, it's 3:00 AM in Shanghai.