Australian Eastern Standard Time → HAVANA (Havana)
AEST = UTC+10HAVANA = UTC-4
AEST (Brisbane) ↔ HAVANA (Havana)
No overlap — one side will join outside working hours
AEST (Brisbane)
HAVANA (Havana)
00:00
10:00-1dWorking
01:00
11:00-1dWorking
02:00
12:00-1dWorking
03:00
13:00-1dWorking
04:00
14:00-1dWorking
05:00
15:00-1dWorking
06:00
16:00-1dWorking
07:00
17:00-1d
08:00
18:00-1d
09:00Working
19:00-1doff
10:00Working
20:00-1doff
11:00Working
21:00-1doff
12:00Working
22:00-1doff
13:00Working
23:00-1doff
14:00Working
00:00off
15:00Working
01:00off
16:00Working
02:00off
17:00
03:00
18:00
04:00
19:00
05:00
20:00
06:00
21:00
07:00
22:00
08:00
23:00
09:00Working
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between aest and havana?
Australian Eastern Standard Time (aest) is UTC+10 and HAVANA (Havana) (havana) is UTC-4. The difference between them is 14 hours.
Where is aest used?
Australian Eastern Standard Time (aest) is used in Australia and surrounding regions. The IANA timezone identifier is Australia/Brisbane.
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 aest to havana?
Use the interactive converter above. Drag the time slider to any aest time and the havana equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
AEST (Brisbane) is 14 hours ahead of Havana. Midday in AEST (Brisbane) lines up with 22:00 in Havana.
AEST (Brisbane) runs on Australia/Brisbane; Havana runs on America/Havana. Together they are 14 hours apart.
Daily overlap window
There is no business hours overlap between AEST (Brisbane) and Havana during standard working hours (9:00–17:00). Meetings would require one party to work outside normal hours.
Best times to schedule a meeting
AEST (Brisbane) and Havana have no shared working window. These slots minimize out-of-hours disruption for both sides.
06:00 Brisbane / 16:00 Havana⚡ One side off-hours
⚠️ 3h before working hours in Brisbane
09:00 Brisbane / 19:00 Havana⚡ One side off-hours
⚠️ 3h after working hours in Havana
05:00 Brisbane / 15:00 Havana⚡ One side off-hours
⚠️ 4h before working hours in Brisbane
Working hours defined as 09:00–17:00 local time for each location.
Upcoming public holidays
⚡ Watch out — upcoming holidays on both sides. Verify availability in advance.
AEST (Brisbane)7 holidays
Aug 3Picnic Day
Sep 28King's Birthday
Oct 5Labour Day
Oct 5King's Birthday
Nov 3Melbourne Cup
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 AEST (Brisbane) and Havana time zones
Coordinating between AEST (Brisbane) (Australia) and Havana (Cuba) means working around a 14-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
⚡
A 06:00 meeting in AEST (Brisbane) means 16:00 in Havana (3h before working hours in Brisbane).
⚡
A 09:00 meeting in AEST (Brisbane) means 19:00 in Havana (3h after working hours in Havana).
⚡
A 05:00 meeting in AEST (Brisbane) means 15:00 in Havana (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.
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 AEST (Brisbane)".
