Cairo is typically 2 hours ahead of London. When it's 2:00 PM in London, it's 4:00 PM in Cairo. Egypt uses Eastern European Time (EET, UTC+2) year-round since abolishing DST.
During UK summer time (March to October), the difference is only 1 hour. During UK winter time (October to March), Cairo is 2 hours ahead of London.
Excellent overlap! 9:00 AM - 5:00 PM London corresponds to 10:00 AM - 6:00 PM Cairo (UK DST) or 11:00 AM - 7:00 PM Cairo (UK winter). Nearly full business day overlap.
Cairo and London have deep historical connections dating to the British colonial period. Today, strong trade and tourism links continue, with multiple daily flights connecting these cities.