Reykjavik is 1 hour behind Lagos
Best overlap: 9:00 AM to 6:00 PM in Lagos is 8:00 AM to 5:00 PM in Reykjavik.
Your window to reach both cities is 9:00 AM to 6:00 PM in Lagos, which converts to 8:00 AM to 5:00 PM in Reykjavik. Plenty of room to work with: 9 hours of daily overlap means you can prioritise people's preferences over the clock.