Rio de Janeiro is 1 hour ahead of Philadelphia
Best overlap: 8:00 AM to 5:00 PM in Philadelphia is 9:00 AM to 6:00 PM in Rio de Janeiro.
Both teams are at their desks between 8:00 AM to 5:00 PM in Philadelphia and 9:00 AM to 6:00 PM in Rio de Janeiro. Plenty of room to work with: 9 hours of daily overlap means you can prioritise people's preferences over the clock. The difference isn't constant year-round: Philadelphia adjusts for daylight saving while Rio de Janeiro holds steady.