Reykjavik is 8 hours behind Beijing
Best overlap: 4:00 PM to 6:00 PM in Beijing is 8:00 AM to 10:00 AM in Reykjavik.
Both teams are at their desks between 4:00 PM to 6:00 PM in Beijing and 8:00 AM to 10:00 AM in Reykjavik. You've got roughly 2 hours — enough for a focused daily check-in if you hold it at 4:00 PM in Beijing (8:00 AM in Reykjavik).