Hong Kong is 11 hours ahead of Buenos Aires. When it's noon in Hong Kong, it's 01:00 in Buenos Aires.
Hong Kong runs on Asia/Hong_Kong; Buenos Aires runs on America/Argentina/Buenos_Aires. Together they are 11 hours apart.
Shared working hours
There is no business hours overlap between Hong Kong and Buenos Aires during standard working hours (9:00–17:00). Meetings would require one party to work outside normal hours.
Best call times between these locations
Hong Kong and Buenos Aires have no shared working window. These slots minimize out-of-hours disruption for both sides.
16:00 Hong Kong / 05:00 Buenos Aires⚡ One side off-hours
⚠️ 4h before working hours in Buenos Aires
20:00 Hong Kong / 09:00 Buenos Aires⚡ One side off-hours
⚠️ 4h after working hours in Hong Kong
15:00 Hong Kong / 04:00 Buenos Aires⚡ One side off-hours
⚠️ 5h before working hours in Buenos Aires
Working hours defined as 09:00–17:00 local time for each location.
Public holidays this year
⚡ Upcoming holidays in both locations, confirm with your contact before booking.
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
Buenos Aires6 holidays
Jul 9Independence Day
Aug 17General José de San Martín Memorial Day
Oct 12Day of Respect for Cultural Diversity
Nov 23National Sovereignty Day
Dec 8Immaculate Conception Day
Hong Kong and Buenos Aires — practical scheduling
A 11-hour difference separates Hong Kong (Hong Kong) and Buenos Aires (Argentina) — wide enough that standard business hours don't align at all. Scheduling requires deliberate compromise from both sides.
💡 Practical scheduling guidelines
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A 16:00 meeting in Hong Kong means 05:00 in Buenos Aires (4h before working hours in Buenos Aires).
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A 20:00 meeting in Hong Kong means 09:00 in Buenos Aires (4h after working hours in Hong Kong).
⚡
A 15:00 meeting in Hong Kong means 04:00 in Buenos Aires (5h before working hours in Buenos Aires).
With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am Hong Kong".
