Zurich is 1 hour ahead of Reykjavik
Best overlap: 8:00 AM to 5:00 PM in Reykjavik is 9:00 AM to 6:00 PM in Zurich.
Plan around 8:00 AM to 5:00 PM in Reykjavik, which is 9:00 AM to 6:00 PM in Zurich, to catch everyone during office hours. Zurich is 1 hour ahead of Reykjavik, but with 9 hours of common ground you can hold morning or afternoon meetings without anyone working odd hours. Don't be caught out by clock changes — Zurich observes daylight saving and Reykjavik doesn't, so the offset varies by an hour through the year.