São Paulo is 3-4 hours behind London. London uses GMT/BST while São Paulo uses Brasília Time (BRT, UTC-3). When it's 3:00 PM in London, it's 12:00 PM in São Paulo.
Brazil discontinued daylight saving time in 2019, while the UK still observes it. The difference is 4 hours during British Summer Time and 3 hours during GMT.
Best calling time: 12:00 PM - 5:00 PM London time. This corresponds to 9:00 AM - 2:00 PM in São Paulo, overlapping with Brazilian business hours.
São Paulo is South America's largest city and financial center. Direct flights from London take about 12 hours. Brazil has strong business ties with Europe and is Latin America's largest economy.