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Time difference between Hong Kong and Boston

Boston is 12 hours behind Hong Kong.

Hong Kong
Hong Kong · Hong Kong Standard Time
3:45 PM
Wednesday, October 21, 2026
Boston
United States · Eastern Daylight Time
3:45 AM
Wednesday, October 21, 2026
Compare more placesBoston to Hong Kong

Hong Kong to Boston time converter

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

Hong KongBoston
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 Hong Kong and Boston?

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

What time is it in Boston when it is 9 AM in Hong Kong?

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

When is the best time to call Boston from Hong Kong?

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

Does the time difference between Hong Kong and Boston change?

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

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

Time difference from Hong Kong to other cities

All Hong Kong time differences →

Time difference from Boston