Shenzhen is 8 hours ahead of Reykjavik
Best overlap: 8:00 AM to 10:00 AM in Reykjavik is 4:00 PM to 6:00 PM in Shenzhen.
Aim for 8:00 AM to 10:00 AM Reykjavik time — that's 4:00 PM to 6:00 PM over in Shenzhen. There's just 2 hours of overlap here, so don't leave meetings to chance — lock 8:00 AM in Reykjavik / 4:00 PM in Shenzhen into the calendar.