Taipei is 16 hours ahead of Portland
Best overlap: 4:00 PM to 6:00 PM in Portland is 8:00 AM to 10:00 AM in Taipei.
Portland and Taipei overlap from 4:00 PM to 6:00 PM (Portland) to the equivalent 8:00 AM to 10:00 AM in Taipei — that's your meeting window. Taipei is 16 hours ahead of Portland, leaving a tight 2-hour window. Book 4:00 PM in Portland (8:00 AM in Taipei) early and you'll dodge the daily scramble. Worth a glance at the calendar — Taipei is on the next day, so align on the date as well as the time. Note the seasonal wrinkle: when Portland is on daylight saving and Taipei isn't, the gap between them grows or shrinks by an hour.