United States
Seattle

United States

China
Shanghai

China

Seattle to Shanghai Time Difference

Shanghai is 15 hours ahead of Seattle

SeattleUnited States
6:55 PM
Wednesday, April 1, 2026
UTC-7
ShanghaiChina
9:55 AM
Thursday, April 2, 2026
UTC+8

Seattle vs Shanghai — At a Glance

Seattle
Shanghai
Time Zone
UTC-7
UTC+8
Currency
USD
CNY
Language
English
Mandarin
Dial Code
+1
+86
Hub Type
tech
finance

Seattle to Shanghai — Hour-by-Hour

Seattle, United States
Shanghai, China
12:00 AM
3:00 PM
1:00 AM
4:00 PM
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(Apr 2)
10:00 AM
1:00 AM(Apr 2)
11:00 AM
2:00 AM(Apr 2)
12:00 PM
3:00 AM(Apr 2)
1:00 PM
4:00 AM(Apr 2)
2:00 PM
5:00 AM(Apr 2)
3:00 PM
6:00 AM(Apr 2)
4:00 PM
7:00 AM(Apr 2)
5:00 PM
8:00 AM(Apr 2)
6:00 PM
9:00 AM(Apr 2)
7:00 PM
10:00 AM(Apr 2)
8:00 PM
11:00 AM(Apr 2)
9:00 PM
12:00 PM(Apr 2)
10:00 PM
1:00 PM(Apr 2)
11:00 PM
2:00 PM(Apr 2)

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.

Related City Conversions