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Time difference between Shanghai and Boston

Boston is 12 hours behind Shanghai.

Shanghai
China · China Standard Time
3:43 PM
Wednesday, October 21, 2026
Boston
United States · Eastern Daylight Time
3:43 AM
Wednesday, October 21, 2026
Compare more placesBoston to Shanghai

Shanghai to Boston time converter

Green rows are office hours in both places; light green rows are when both are awake.

ShanghaiBoston
12:00 AM12:00 PM (previous day)
1:00 AM1:00 PM (previous day)
2:00 AM2:00 PM (previous day)
3:00 AM3:00 PM (previous day)
4:00 AM4:00 PM (previous day)
5:00 AM5:00 PM (previous day)
6:00 AM6:00 PM (previous day)
7:00 AM7:00 PM (previous day)
8:00 AM8:00 PM (previous day)
9:00 AM9:00 PM (previous day)
10:00 AM10:00 PM (previous day)
11:00 AM11:00 PM (previous day)
12:00 PM12:00 AM
1:00 PM1:00 AM
2:00 PM2:00 AM
3:00 PM3:00 AM
4:00 PM4:00 AM
5:00 PM5:00 AM
6:00 PM6:00 AM
7:00 PM7:00 AM
8:00 PM8:00 AM
9:00 PM9:00 AM
10:00 PM10:00 AM
11:00 PM11:00 AM

Questions

What is the time difference between Shanghai and Boston?

Boston is 12 hours behind Shanghai. Shanghai is on UTC+8 and Boston is on UTC−4.

What time is it in Boston when it is 9 AM in Shanghai?

When it is 9:00 AM in Shanghai, it is 9:00 PM the previous day in Boston.

When is the best time to call Boston from Shanghai?

There are no shared office hours. The most comfortable time to call is 8:00 AM–10:00 AM in Shanghai (8:00 PM–10:00 PM in Boston); 8:00 PM–10:00 PM in Shanghai (8:00 AM–10:00 AM in Boston), when both places are awake.

Does the time difference between Shanghai and Boston change?

Yes. Because of daylight saving time, the difference changes on Sunday, November 1, 2026, when Boston will be 13 hours behind Shanghai.

Shanghai is 12 hours ahead of Boston. More: time in Shanghai · time in Boston

Time difference from Shanghai to other cities

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Time difference from Boston