When to call Hong Kong (+852)
Hong Kong runs on HKT — eight hours ahead of GMT, the same zone as Beijing and Singapore. Knowing the best time to call Hong Kong on +852 keeps you inside the city's trading and finance hours.
HKT, at a glance.
See the live gap between a global reference city and Hong Kong's single HKT zone — no calculator needed.
Hong Kong against the world's hubs.
Compare live Hong Kong time against New York, London and Dubai so your call lands inside HKT trading hours.
Understanding the time difference between the United States and Hong Kong
Time zone differences across other major countries
Why timing matters for calls to Hong Kong.
Hong Kong's finance sector runs on tight schedules — a morning call before market activity peaks is when decision-makers actually pick up.
The best windows to reach Hong Kong.
Four factors that decide when a Hong Kong prospect picks up — anchored to the single HKT business day.
Hong Kong runs at +08:00
The zone is Asia/Hong_Kong. Every window on this page is worked out from that offset rather than a rule of thumb, so the times shown are the ones that actually apply to Hong Kong.
No daylight saving
Hong Kong stays on +08:00 all year. The windows below only move when the caller's own country changes its clocks, not when Hong Kong does.
Shared hours with 2 of 5 markets
Callers in Mumbai, Sydney share part of the working day with Hong Kong. The table above gives the exact intersection for each.
Where the gap is too wide
There is no 9-to-5 overlap with New York, Los Angeles, London. Calling Hong Kong from those cities means someone is working outside normal hours — worth saying so when you book the call.
How to call Hong Kong using the +852 code.
Four simple steps for every call into Hong Kong — eight digits, no area code.
Number anatomy
Dial exit code
Press + on mobile or 00 from most landlines. This opens an international line.
Enter +852
Hong Kong's international code. Every call to Hong Kong must start with +852.
Area prefix
Add the local area or mobile network code — always drop any leading zero used for domestic calls.
Full number
Dial the remaining subscriber digits. Your number is now correctly formatted for international routing.
Best time to call — every country.
Jump to any country's best-time-to-call guide. Search by name, ISO or dial prefix.
Reach Hong Kong customers in their window, on carrier-grade routes.
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When your working day overlaps Hong Kong
Callers in Mumbai and Sydney share part of the working day with Hong Kong. There is no shared working window with New York, Los Angeles and London.
| Calling from | Hong Kong is | Call at (your time) | Which is (their time) |
|---|---|---|---|
| New York | 13h ahead | No shared working hours — you would need to call outside 9am-5pm | |
| Los Angeles | 16h ahead | No shared working hours — you would need to call outside 9am-5pm | |
| London | 8h ahead | No shared working hours — you would need to call outside 9am-5pm | |
| Mumbai | 2h 30m ahead | 9:00 AM – 2:30 PM | 11:30 AM – 5:00 PM |
| Sydney | 3h behind | 12:00 PM – 5:00 PM | 9:00 AM – 2:00 PM |
Windows are the intersection of a 9am-5pm working day in each place, using Hong Kong'sstandard-time offset of +08:00. Hong Kong does not observe daylight saving, so these windows hold all year — though they shift when the caller's own country changes its clocks.
FAQ
Calling Hong Kong, answered.
Time zone, daylight saving and dialling questions for Hong Kong (+852).