Munich 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 Munich.
8:00 AM to 5:00 PM in Reykjavik is when Munich is also working, at 9:00 AM to 6:00 PM their time. The 1-hour gap barely gets in the way — you've got 9 hours of overlap, so pick whatever time fits the agenda. Watch the DST gap — when Munich changes its clocks and Reykjavik stays the same, this window slides by an hour.