February 17 2018 AD
azimuth = 103° 22' 25"
October 25 2018 AD
azimuth = 103° 26' 15"
Sunrise takes place when the top part of the Sun disk is visible. This means that the phenomenal altitude of the Sun is minus(-) half the apparent diameter of the Sun or minus the apparent radius of the Sun.
Nell & Ruggles:
azimuth of North part of Khafre's causeway = 103° 26'
The environment around Giza is not flat so the actual alignment to Sun rise takes place 1 day earlier(Fall) or later(Spring).