Panama City is 7 hours behind Zurich
Best overlap: 3:00 PM to 6:00 PM in Zurich is 8:00 AM to 11:00 AM in Panama City.
Target 3:00 PM to 6:00 PM in Zurich, which lands at 8:00 AM to 11:00 AM for the Panama City side. A 3-hour overlap gives you a workable daily window; aim for earlier in it to avoid clipping the end of someone's day. Seasonal note: Zurich uses daylight saving and Panama City doesn't, so double-check the times in your own months — they can move by an hour.