No overlap — one side will join outside working hours
HKT (Hong Kong)
ART (Buenos Aires)
00:00
13:00-1dWorking
01:00
14:00-1dWorking
02:00
15:00-1dWorking
03:00
16:00-1dWorking
04:00
17:00-1d
05:00
18:00-1d
06:00
19:00-1d
07:00
20:00-1d
08:00
21:00-1d
09:00Working
22:00-1doff
10:00Working
23:00-1doff
11:00Working
00:00off
12:00Working
01:00off
13:00Working
02:00off
14:00Working
03:00off
15:00Working
04:00off
16:00Working
05:00off
17:00
06:00
18:00
07:00
19:00
08:00
20:00
09:00Working
21:00
10:00Working
22:00
11:00Working
23:00
12:00Working
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between hkt and art?
Hong Kong Time (hkt) is UTC+8 and Argentina Time (art) is UTC-3. The difference between them is 11 hours.
Where is hkt used?
Hong Kong Time (hkt) is used in Hong Kong and surrounding regions. The IANA timezone identifier is Asia/Hong_Kong.
Where is art used?
Argentina Time (art) is used in Argentina and surrounding regions. The IANA timezone identifier is America/Argentina/Buenos_Aires.
How do I convert hkt to art?
Use the interactive converter above. Drag the time slider to any hkt time and the art equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
How far apart are HKT (Hong Kong) and ART (Buenos Aires)?
HKT (Hong Kong) is 11 hours ahead of ART (Buenos Aires). Midday in HKT (Hong Kong) lines up with 01:00 in ART (Buenos Aires).
HKT (Hong Kong) observes Asia/Hong_Kong and ART (Buenos Aires) observes America/Argentina/Buenos_Aires — a 11 hours gap between them.
Daily overlap window
When HKT (Hong Kong) is in standard working hours, ART (Buenos Aires) is not — and vice versa. There is no mutual business window between these two locations.
Optimal meeting slots
No business hours overlap exists between HKT (Hong Kong) and ART (Buenos Aires). Showing the most balanced options with minimal inconvenience for both locations.
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
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.
HKT (Hong Kong)7 holidays
Jun 19Dragon Boat FestivalSOON
Jul 1Hong Kong Special Administrative Region Establishment Day
Sep 26Day following the Mid-Autumn Festival
Oct 1National Day
Oct 19Chung Yeung Festival
ART (Buenos Aires)8 holidays
Jun 15Anniversary of the Passing of General Martín Miguel de GüemesSOON
Jun 20General Manuel Belgrano Memorial DaySOON
Jul 9Independence Day
Aug 17General José de San Martín Memorial Day
Oct 12Day of Respect for Cultural Diversity
How to work with HKT (Hong Kong) and ART (Buenos Aires) time zones
Coordinating between HKT (Hong Kong) (Hong Kong) and ART (Buenos Aires) (Argentina) means working around a 11-hour time difference. Since standard business hours don't naturally overlap, meetings usually require one side to shift slightly outside their normal working day.
💡 How to schedule across these time zones
⚡
16:00–17:00 in HKT (Hong Kong) corresponds to 05:00–06:00 in ART (Buenos Aires) (4h before working hours in Buenos Aires).
⚡
20:00–21:00 in HKT (Hong Kong) corresponds to 09:00–10:00 in ART (Buenos Aires) (4h after working hours in Hong Kong).
⚡
15:00–16:00 in HKT (Hong Kong) corresponds to 04:00–05:00 in ART (Buenos Aires) (5h before working hours in Buenos Aires).
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.
Drag the slider at the top to convert any HKT (Hong Kong) time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.
