Anchorage is 9 hours behind Reykjavik
Best overlap: 5:00 PM to 6:00 PM in Reykjavik is 8:00 AM to 9:00 AM in Anchorage.
Your shared working hours run 5:00 PM to 6:00 PM in Reykjavik (8:00 AM to 9:00 AM in Anchorage). The overlap is tight at roughly 1 hour, so protect it: 5:00 PM in Reykjavik / 8:00 AM in Anchorage is your safest recurring slot. Watch the DST gap — when Anchorage changes its clocks and Reykjavik stays the same, this window slides by an hour.