Philadelphia is 2 hours behind Brasília
Best overlap: 10:00 AM to 6:00 PM in Brasília is 8:00 AM to 4:00 PM in Philadelphia.
The best time to meet is 10:00 AM to 6:00 PM in Brasília, which is 8:00 AM to 4:00 PM in Philadelphia. An 8-hour overlap gives you real choice here — early or late in the window both work comfortably. Bear in mind Philadelphia shifts for daylight saving while Brasília stays fixed — recheck these hours after each clock change.