Portland is 8 hours behind Reykjavik
Best overlap: 4:00 PM to 6:00 PM in Reykjavik is 8:00 AM to 10:00 AM in Portland.
Reykjavik and Portland overlap from 4:00 PM to 6:00 PM (Reykjavik) to the equivalent 8:00 AM to 10:00 AM in Portland — that's your meeting window. Portland is 8 hours behind Reykjavik, giving you a slim 2 hours to work with. Punctuality matters; start right at 4:00 PM in Reykjavik (8:00 AM in Portland). The difference isn't constant year-round: Portland adjusts for daylight saving while Reykjavik holds steady.