Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between bst and havana?
British Summer Time (bst) is UTC+1 and HAVANA (Havana) (havana) is UTC-4. The difference between them is 5 hours.
Where is bst used?
British Summer Time (bst) is used in United Kingdom and surrounding regions. The IANA timezone identifier is Europe/London. Note: bst is ambiguous and may refer to other timezones.
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 bst to havana?
Use the interactive converter above. Drag the time slider to any bst time and the havana equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
BST (London) is 5 hours ahead of Havana. When BST (London) clocks hit noon, Havana reads 07:00.
BST (London) observes Europe/London and Havana observes America/Havana — a 5 hours gap between them.
Working hours overlap
Every working day, BST (London) and Havana are both in business hours for 3 hours simultaneously.
00:0006:0012:0018:0024:00
BST (London)
Havana
Overlap (3h)
Optimal meeting slots
BST (London) and Havana share 3 hours of business hours overlap daily.
14:00 London / 09:00 Havana✓ Both working
15:00 London / 10:00 Havana✓ Both working
16:00 London / 11:00 Havana✓ Both working
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Holiday calendar for both locations
⚡ Both locations have upcoming holidays, check availability before scheduling.
BST (London)6 holidays
Jul 13Battle of the Boyne
Aug 3Summer Bank Holiday
Aug 31Summer Bank Holiday
Nov 30Saint Andrew's Day
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
Working across BST (London) and Havana
Coordinating between BST (London) (United Kingdom) and Havana (Cuba) means working around a 5-hour time difference. The 3-hour overlap window gives both teams a natural slot for real-time collaboration without anyone working outside normal hours.
💡 Best practice for cross-timezone meetings
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Schedule at 14:00–15:00 (BST (London)) for a 09:00–10:00 slot in Havana — the sweet spot where both teams are working.
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Schedule at 15:00–16:00 (BST (London)) for a 10:00–11:00 slot in Havana — the sweet spot where both teams are working.
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Schedule at 16:00–17:00 (BST (London)) for a 11:00–12:00 slot in Havana — the sweet spot where both teams are working.
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 BST (London) time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.