Shenzhen is 6 hours ahead of Cairo
Best overlap: 8:00 AM to 12:00 PM in Cairo is 2:00 PM to 6:00 PM in Shenzhen.
Plan around 8:00 AM to 12:00 PM in Cairo, which is 2:00 PM to 6:00 PM in Shenzhen, to catch everyone during office hours. Shenzhen is 6 hours ahead of Cairo, so you've got a workable 4-hour overlap — ideal for a standing meeting around 8:00 AM in Cairo (2:00 PM in Shenzhen). Seasonal note: Cairo uses daylight saving and Shenzhen doesn't, so double-check the times in your own months — they can move by an hour.