Cairo is 8 hours ahead of Austin during US summer (CDT), and 7 hours ahead during winter (CST). When it's 9:00 AM in Austin, it's 4:00 PM or 5:00 PM in Cairo.
Egypt uses EET (UTC+2) and recently resumed observing DST.
Optimal window: 7:00 AM - 9:00 AM Austin time (3:00 PM - 5:00 PM Cairo). Early morning calls from Austin catch afternoon business hours in Cairo.
EgyptAir and connecting flights link Austin to Cairo International Airport.