Dallas is 6 hours behind Reykjavik
Best overlap: 2:00 PM to 6:00 PM in Reykjavik is 8:00 AM to 12:00 PM in Dallas.
Target 2:00 PM to 6:00 PM in Reykjavik, which lands at 8:00 AM to 12:00 PM for the Dallas side. Dallas is 6 hours behind Reykjavik, so you've got a workable 4-hour overlap — ideal for a standing meeting around 2:00 PM in Reykjavik (8:00 AM in Dallas). Seasonal note: Dallas uses daylight saving and Reykjavik doesn't, so double-check the times in your own months — they can move by an hour.