There is no overlap between 09:00–18:00 working days in these two places.
Clock changes in Boston and Hong Kong
Boston
Eastern Daylight Time (EDT)
Next clock change Sun 1 Nov 2026 (UTC−4 → UTC−5)
Hong Kong
Hong Kong Standard Time (HKT)
No daylight saving time.
Time difference between Boston and Hong Kong today
Right now Hong Kong is 12 hours ahead of Boston. When it is 09:00 in Boston, it is 21:00 in Hong Kong. Boston is on Eastern Daylight Time (EDT); Hong Kong is on Hong Kong Standard Time (HKT).
When the Boston to Hong Kong time difference changes
For most of the year Hong Kong is 12 hours ahead of Boston. From 1 November to 31 December 2026, Hong Kong is 13 hours ahead of Boston instead, because the two places change their clocks on different dates. Meetings booked by the usual gap land an hour off in those weeks.
Dates
Hong Kong vs Boston
Length
8 March 2026 to 31 October 2026
12 hours ahead
238 days
1 November 2026 to 31 December 2026
13 hours ahead
61 days
1 January 2027 to 13 March 2027
13 hours ahead
72 days
14 March 2027 to 6 November 2027
12 hours ahead
238 days
7 November 2027 to 31 December 2027
13 hours ahead
55 days
Calling hours for Boston and Hong Kong
When Hong Kong is 12 hours ahead of Boston: no shared 09:00 to 17:00 hours; try 07:00 in Boston (19:00 in Hong Kong).
When Hong Kong is 13 hours ahead of Boston: no shared 09:00 to 17:00 hours; try 07:00 in Boston (20:00 in Hong Kong).
Frequently asked questions about Boston and Hong Kong time
What time is it in Hong Kong when it is 9:00 AM in Boston?
21:00 today; Hong Kong is 12 hours ahead of Boston.
Does the time difference between Boston and Hong Kong change?
Yes. It is usually 12 hours ahead, but changes when one side moves its clocks: 13 hours ahead from 1 November to 31 December 2026; 13 hours ahead from 1 January to 13 March 2027.