Shanghai to Portland Time Difference
Portland is 15 hours behind Shanghai. When it is noon in Shanghai, it is 21:00 in Portland.
Shanghai (UTC+8) → Los Angeles (UTC-7)
🕐 Interactive Time Explorer
When it's 09:00 in Shanghai, it's 18:00 in Portland
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Shanghai & Portland◐ Extended Hours (5 hours)
✈️ Travel Information
Distance
9,314 km
Est. Flight Time
~12h
Time Difference
-15h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Shanghai
15:00
Portland (-1)
09:00
Shanghai
18:00
Portland (-1)
12:00
Shanghai
21:00
Portland (-1)
15:00
Shanghai
00:00
Portland
18:00
Shanghai
03:00
Portland
21:00
Shanghai
06:00
Portland
00:00
Shanghai
09:00
Portland (-1)
03:00
Shanghai
12:00
Portland (-1)
Frequently Asked Questions
How many hours is Shanghai ahead of Portland?
Portland is 15 hours behind Shanghai. When it is 12:00 noon in Shanghai, it is 21:00 in Portland. Shanghai operates on Asia/Shanghai (UTC+8), while Portland uses America/Los Angeles (UTC-7).
What is the best time to call Portland from Shanghai?
Standard business hours (9 AM–5 PM) do not overlap between Shanghai and Portland due to the 15 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Shanghai to Portland time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Shanghai and Portland
The distance between Shanghai and Portland is approximately 9,314 km. A direct flight typically takes around 12 hours. Your arrival clock will show local Portland time — use our Flight Time Calculator to predict exact arrival times.