Shenzhen is 5 hours ahead of Nairobi
Best overlap: 8:00 AM to 1:00 PM in Nairobi is 1:00 PM to 6:00 PM in Shenzhen.
If you set up a recurring sync, 8:00 AM to 1:00 PM in Nairobi (1:00 PM to 6:00 PM in Shenzhen) is the natural home for it. Shenzhen is 5 hours ahead of Nairobi, which gives you a solid 5-hour window. Book earlier in it and neither side is rushing.