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Time difference between Boston and Shanghai

Shanghai is 12 hours ahead of Boston.

Boston
United States · Eastern Daylight Time
3:42 AM
Wednesday, October 21, 2026
Shanghai
China · China Standard Time
3:42 PM
Wednesday, October 21, 2026
Compare more placesShanghai to Boston

Boston to Shanghai time converter

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

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

Questions

What is the time difference between Boston and Shanghai?

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

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

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

When is the best time to call Shanghai from Boston?

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

Does the time difference between Boston and Shanghai change?

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

Boston is 12 hours behind Shanghai. More: time in Boston · time in Shanghai

Time difference from Boston to other cities

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Time difference from Shanghai