London is 5 hours ahead of Havana. Havana uses Cuba Standard Time (CST, UTC-5/-4) while London uses Greenwich Mean Time/British Summer Time (GMT/BST, UTC+0/+1). When it's 12:00 PM in Havana, it's 5:00 PM in London.
Both cities observe daylight saving time, though on slightly different schedules, so the difference can vary during transition periods.
Best calling time: 4:00 AM - 1:00 PM Havana time. This corresponds to 9:00 AM - 6:00 PM in London, covering standard business hours.
Havana and London have growing tourism and cultural connections. UK visitors are drawn to Cuba's vintage cars, music, and colonial architecture. Direct flights connect the cities.