Prague 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 Prague.
The sweet spot is 8:00 AM to 5:00 PM Reykjavik time, matching 9:00 AM to 6:00 PM in Prague. Even with Prague ahead by 1 hour, your workdays overlap by a comfortable 9 hours — plenty of flexibility for both sides. Heads up: because Prague changes its clocks and Reykjavik doesn't, the difference moves by an hour twice a year. Confirm the overlap around the DST switch.