Philadelphia is 6 hours behind Oslo
Best overlap: 2:00 PM to 6:00 PM in Oslo is 8:00 AM to 12:00 PM in Philadelphia.
Both teams are at their desks between 2:00 PM to 6:00 PM in Oslo and 8:00 AM to 12:00 PM in Philadelphia. Roughly 4 hours of shared hours means scheduling takes a little care — 2:00 PM in Oslo / 8:00 AM in Philadelphia is a safe default.