Practical advices in Egypt:
You will find the visa counter open 24/7, it is situated just before you pass the immigration control, there.. you can stamp your passport
Cairo Airport is situated at 22 km north-east of the down town.
Countries Could get the entrance Visa at the airport:
Western Europe: Italy, France, Spain, Greece, Germany, Austria, Finland, Sweden, Norway, Denmark, Belgium, Luxembourg, Netherlands, Portugal, U.S.A, Canada, South Korea, Hungary, Poland, Estonia, Lithuania, Latvia, Cyprus, Slovakia.
Eastern Europe: Romania, Bulgaria, Croatia – (Yugoslavian federal) Georgia, Ukraine, Russia, Hong Kong, Macau, Armenia.
Travelers from other nationalities they have to get entrance visa to Egypt from the Egyptian embassy in their home countries
useful link to plan your trip to Egypt: