Hong Kong to United States — exact time difference
Hong Kong is 12 hours ahead of United States. Midday in Hong Kong lines up with 00:00 in United States.
Hong Kong observes Asia/Hong_Kong and United States observes America/New_York — a 12 hours gap between them.
Working hours overlap
When Hong Kong is in standard working hours, United States is not — and vice versa. There is no mutual business window between these two locations.
Optimal meeting slots
No business hours overlap exists between Hong Kong and United States. Showing the most balanced options with minimal inconvenience for both locations.
04:00 Hong Kong / 16:00 New York⚡ One side off-hours
⚠️ 5h before working hours in Hong Kong
09:00 Hong Kong / 21:00 New York⚡ One side off-hours
⚠️ 5h after working hours in New York
16:00 Hong Kong / 04:00 New York⚡ One side off-hours
⚠️ 5h before working hours in New York
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Upcoming public holidays
⚡ Watch out — upcoming holidays on both sides. Verify availability in advance.
Hong Kong5 holidays
Sep 26Day following the Mid-Autumn Festival
Oct 1National Day
Oct 19Chung Yeung Festival
Dec 25Christmas Day
Dec 26Boxing Day
United States5 holidays
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Nov 11Veterans Day
Nov 26Thanksgiving Day
Dec 25Christmas Day
How to work with Hong Kong and United States time zones
Working across Hong Kong (Hong Kong) and United States (USA) is a challenge — the 12-hour difference means no shared business hours window under a standard schedule. Flexibility from at least one side is required.
💡 How to schedule across these time zones
⚡04:00–05:00 in Hong Kong corresponds to 16:00–17:00 in United States (5h before working hours in Hong Kong).
⚡09:00–10:00 in Hong Kong corresponds to 21:00–22:00 in United States (5h after working hours in New York).
⚡16:00–17:00 in Hong Kong corresponds to 04:00–05:00 in United States (5h before working hours in New York).
Since there is no natural overlap, the options above represent the most balanced compromise, minimizing out-of-hours inconvenience for both sides.
Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.
Install ClockinSync Free →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.
