No overlap — one side will join outside working hours
HKT (Hong Kong)
HAVANA (Havana)
00:00
12:00-1dWorking
01:00
13:00-1dWorking
02:00
14:00-1dWorking
03:00
15:00-1dWorking
04:00
16:00-1dWorking
05:00
17:00-1d
06:00
18:00-1d
07:00
19:00-1d
08:00
20:00-1d
09:00Working
21:00-1doff
10:00Working
22:00-1doff
11:00Working
23:00-1doff
12:00Working
00:00off
13:00Working
01:00off
14:00Working
02:00off
15:00Working
03:00off
16:00Working
04:00off
17:00
05:00
18:00
06:00
19:00
07:00
20:00
08:00
21:00
09:00Working
22:00
10:00Working
23:00
11:00Working
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between hkt and havana?
Hong Kong Time (hkt) is UTC+8 and HAVANA (Havana) (havana) is UTC-4. The difference between them is 12 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 havana used?
HAVANA (Havana) (havana) is used in Cuba and surrounding regions. The IANA timezone identifier is America/Havana.
How do I convert hkt to havana?
Use the interactive converter above. Drag the time slider to any hkt time and the havana equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
HKT (Hong Kong) is 12 hours ahead of Havana. Midday in HKT (Hong Kong) lines up with 00:00 in Havana.
HKT (Hong Kong) observes Asia/Hong_Kong and Havana observes America/Havana — a 12 hours gap between them.
Business hours comparison
When HKT (Hong Kong) is in standard working hours, Havana 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 Havana. Showing the most balanced options with minimal inconvenience for both locations.
04:00 Hong Kong / 16:00 Havana⚡ One side off-hours
⚠️ 5h before working hours in Hong Kong
09:00 Hong Kong / 21:00 Havana⚡ One side off-hours
⚠️ 5h after working hours in Havana
16:00 Hong Kong / 04:00 Havana⚡ One side off-hours
⚠️ 5h before working hours in Havana
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)6 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
Havana5 holidays
Jul 25Day before the Commemoration of the Assault of the Moncada garrison
Jul 26Commemoration of the Assault of the Moncada garrison
Jul 27Day after the Commemoration of the Assault of the Moncada garrison
Oct 10Independence Day
Dec 25Christmas Day
How to work with HKT (Hong Kong) and Havana time zones
Teams in HKT (Hong Kong) (Hong Kong) and Havana (Cuba) deal with a 12-hour gap that pushes their working days apart. Real-time meetings always require someone to stretch outside the standard 9–5.
💡 How to schedule across these time zones
⚡
04:00–05:00 in HKT (Hong Kong) corresponds to 16:00–17:00 in Havana (5h before working hours in Hong Kong).
⚡
09:00–10:00 in HKT (Hong Kong) corresponds to 21:00–22:00 in Havana (5h after working hours in Havana).
⚡
16:00–17:00 in HKT (Hong Kong) corresponds to 04:00–05:00 in Havana (5h before working hours in Havana).
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.
