HAVANA (Havana) → Australian Eastern Standard Time
HAVANA = UTC-4AEST = UTC+10
HAVANA (Havana) ↔ AEST (Brisbane)
No overlap — one side will join outside working hours
HAVANA (Havana)
AEST (Brisbane)
00:00
14:00Working
01:00
15:00Working
02:00
16:00Working
03:00
17:00
04:00
18:00
05:00
19:00
06:00
20:00
07:00
21:00
08:00
22:00
09:00Working
23:00off
10:00Working
00:00+1doff
11:00Working
01:00+1doff
12:00Working
02:00+1doff
13:00Working
03:00+1doff
14:00Working
04:00+1doff
15:00Working
05:00+1doff
16:00Working
06:00+1doff
17:00
07:00+1d
18:00
08:00+1d
19:00
09:00+1dWorking
20:00
10:00+1dWorking
21:00
11:00+1dWorking
22:00
12:00+1dWorking
23:00
13:00+1dWorking
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between havana and aest?
HAVANA (Havana) (havana) is UTC-4 and Australian Eastern Standard Time (aest) is UTC+10. The difference between them is 14 hours.
Where is havana used?
HAVANA (Havana) (havana) is used in Cuba and surrounding regions. The IANA timezone identifier is America/Havana.
Where is aest used?
Australian Eastern Standard Time (aest) is used in Australia and surrounding regions. The IANA timezone identifier is Australia/Brisbane.
How do I convert havana to aest?
Use the interactive converter above. Drag the time slider to any havana time and the aest equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
Havana is 14 hours behind AEST (Brisbane). Midday in Havana lines up with 02:00 in AEST (Brisbane).
Havana observes America/Havana and AEST (Brisbane) observes Australia/Brisbane — a 14 hours gap between them.
Shared working hours
When Havana is in standard working hours, AEST (Brisbane) is not — and vice versa. There is no mutual business window between these two locations.
Optimal meeting slots
No business hours overlap exists between Havana and AEST (Brisbane). Showing the most balanced options with minimal inconvenience for both locations.
16:00 Havana / 06:00 Brisbane⚡ One side off-hours
⚠️ 3h before working hours in Brisbane
19:00 Havana / 09:00 Brisbane⚡ One side off-hours
⚠️ 3h after working hours in Havana
15:00 Havana / 05:00 Brisbane⚡ One side off-hours
⚠️ 4h before working hours in Brisbane
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.
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
AEST (Brisbane)7 holidays
Aug 3Picnic Day
Sep 28King's Birthday
Oct 5Labour Day
Oct 5King's Birthday
Nov 3Melbourne Cup
How to work with Havana and AEST (Brisbane) time zones
A 14-hour difference separates Havana (Cuba) and AEST (Brisbane) (Australia) — wide enough that standard business hours don't align at all. Scheduling requires deliberate compromise from both sides.
💡 How to schedule across these time zones
⚡
16:00–17:00 in Havana corresponds to 06:00–07:00 in AEST (Brisbane) (3h before working hours in Brisbane).
⚡
19:00–20:00 in Havana corresponds to 09:00–10:00 in AEST (Brisbane) (3h after working hours in Havana).
⚡
15:00–16:00 in Havana corresponds to 05:00–06:00 in AEST (Brisbane) (4h before working hours in Brisbane).
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 Havana time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.
