Dhaka is 9 hours ahead of Brasília
Best overlap: 8:00 AM to 9:00 AM in Brasília is 5:00 PM to 6:00 PM in Dhaka.
The sweet spot is 8:00 AM to 9:00 AM Brasília time, matching 5:00 PM to 6:00 PM in Dhaka. The overlap is tight at roughly 1 hour, so protect it: 8:00 AM in Brasília / 5:00 PM in Dhaka is your safest recurring slot.