Caracas is 4 hours ahead of Portland
Best overlap: 8:00 AM to 2:00 PM in Portland is 12:00 PM to 6:00 PM in Caracas.
8:00 AM to 2:00 PM in Portland is when Caracas is also working, at 12:00 PM to 6:00 PM their time. Scheduling is forgiving here: with 6 hours of overlap, a missed slot just means picking another one the same day. The window above shifts seasonally: Portland keeps daylight saving while Caracas ignores it.