United States
China
Seattle to Shanghai Time Difference
Shanghai is 15 hours ahead of Seattle
Seattle vs Shanghai — At a Glance
Seattle to Shanghai — Hour-by-Hour
About Seattle and Shanghai
Seattle (population: 0.74M) is known for Amazon, Microsoft, Boeing, coffee culture, and the Pacific Northwest. Shanghai (population: 24.9M) is known for China's financial hub, the Bund skyline, and the world's busiest container port.
Business Hours Overlap
The 15-hour gap means Seattle and Shanghai have almost no standard-hours overlap. Early morning calls from Seattle or late evening calls from Shanghai are the most practical options.
Calling Between Cities
With 15 hours between Seattle (+1) and Shanghai (+86), finding a mutually convenient calling time is tricky. Consider scheduling calls in advance rather than calling spontaneously.
Currency
Seattle uses USD while Shanghai uses CNY. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Seattle primarily speaks English, while Shanghai speaks Mandarin and Shanghainese. For business communication, English is commonly used as a bridge language in international settings.
Use our world clock tool to compare Seattle and Shanghai visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Seattle and Shanghai?
Shanghai, China is 15 hours ahead of Seattle, United States. Seattle is in the America/Los Angeles timezone (UTC-7) and Shanghai is in the Asia/Shanghai timezone (UTC+8).
When it's noon in Seattle, what time is it in Shanghai?
When it's 12:00 PM (noon) in Seattle, it's 3:00 AM in Shanghai.
What is the best time to call Shanghai from Seattle?
The best time to call Shanghai from Seattle is during the overlapping business hours. When it's 9 AM in Seattle, it's 12:00 AM in Shanghai. Aim for late morning to early afternoon in Seattle for the best chance of reaching someone during working hours.
What currency does Shanghai use?
Shanghai, China uses CNY. Seattle uses USD. You will need to check the current exchange rate for transactions between the two.
What language is spoken in Shanghai?
The primary languages in Shanghai are Mandarin, Shanghainese. English is widely used for international business communication.
How do I dial Shanghai from Seattle?
To call Shanghai from Seattle, dial your international access code followed by +86 and the local number. Seattle uses country code +1 and Shanghai uses +86.