Hong Kong is 15 hours ahead of San Francisco. At noon in Hong Kong, your contact in San Francisco sees 21:00.
Hong Kong observes Asia/Hong_Kong and San Francisco observes America/Los_Angeles — a 15 hours gap between them.
Mutual working hours
When Hong Kong is in standard working hours, San Francisco is not — and vice versa. There is no mutual business window between these two locations.
Meeting time recommendations
No business hours overlap exists between Hong Kong and San Francisco. Showing the most balanced options with minimal inconvenience for both locations.
07:00 Hong Kong / 16:00 San Francisco⚡ One side off-hours
⚠️ 2h before working hours in Hong Kong
09:00 Hong Kong / 18:00 San Francisco⚡ One side off-hours
⚠️ 2h after working hours in San Francisco
06:00 Hong Kong / 15:00 San Francisco⚡ One side off-hours
⚠️ 3h before working hours in Hong Kong
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Public holidays for both locations
⚡ Holiday alerts for both locations, double-check schedules before confirming.
Hong Kong6 holidays
Jul 1Hong Kong Special Administrative Region Establishment DaySOON
Sep 26Day following the Mid-Autumn Festival
Oct 1National Day
Oct 19Chung Yeung Festival
Dec 25Christmas Day
San Francisco7 holidays
Jul 3Independence DaySOON
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Nov 11Veterans Day
Scheduling between Hong Kong and San Francisco
Hong Kong (Hong Kong) and San Francisco (USA) are 15 hours apart — far enough that standard 9–5 schedules do not overlap. Any real-time meeting means someone is joining outside their normal hours.
💡 Scheduling tips for these locations
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07:00–08:00 in Hong Kong corresponds to 16:00–17:00 in San Francisco (2h before working hours in Hong Kong).
⚡
09:00–10:00 in Hong Kong corresponds to 18:00–19:00 in San Francisco (2h after working hours in San Francisco).
⚡
06:00–07:00 in Hong Kong corresponds to 15:00–16:00 in San Francisco (3h before working hours in Hong Kong).
With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.
Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.
Drag the slider at the top to convert any Hong Kong time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.
