Seattle to Shanghai Time Difference
Shanghai is 15 hours ahead of Seattle. When it is noon in Seattle, it is 03:00 in Shanghai.
Los Angeles (UTC-7) → Shanghai (UTC+8)
🕐 Interactive Time Explorer
When it's 09:00 in Seattle, it's 00:00 in Shanghai
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Seattle & Shanghai◐ Extended Hours (5 hours)
✈️ Travel Information
Distance
9,187 km
Est. Flight Time
~11.8h
Time Difference
+15h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Seattle
21:00
Shanghai
09:00
Seattle
00:00
Shanghai (+1)
12:00
Seattle
03:00
Shanghai (+1)
15:00
Seattle
06:00
Shanghai (+1)
18:00
Seattle
09:00
Shanghai (+1)
21:00
Seattle
12:00
Shanghai (+1)
00:00
Seattle
15:00
Shanghai
03:00
Seattle
18:00
Shanghai
Frequently Asked Questions
How many hours is Seattle behind Shanghai?
Shanghai is 15 hours ahead of Seattle. When it is 12:00 noon in Seattle, it is 03:00 in Shanghai. Seattle operates on America/Los Angeles (UTC-7), while Shanghai uses Asia/Shanghai (UTC+8).
What is the best time to call Shanghai from Seattle?
Standard business hours (9 AM–5 PM) do not overlap between Seattle and Shanghai due to the 15 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Seattle to Shanghai 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 Seattle and Shanghai
The distance between Seattle and Shanghai is approximately 9,187 km. A direct flight typically takes around 11.8 hours. Your arrival clock will show local Shanghai time — use our Flight Time Calculator to predict exact arrival times.