Book 2
5.40
In the parts of the Troad next AlexandriaEski-Stambul. in Amphipolis,Emboli or Jamboli. Apollonia in Epirus,Polina. the countries just south of Rome and north of Neapolis, the longest day consists of fifteen hours. This parallel is distant from that of Alexandria in Egypt 7000 stadia to the north, above 28,800 stadia north of the equator, and 3400 stadia from the parallel of Rhodes; it is south of Byzantium, Nicaae,Isnik. and Marseilles 1500 stadia. The parallel of LysimachiaEksemil is a little to the north, and according to Eratosthenes passes through Mysia,Karasi in Anadoli. Paphlagonia, Sinope,Sinoub. Hyrcania,Corcan and Daghistan. and Bactra.Balk.
5.41
About Byzantium the longest day consists of fifteen and a quarter equinoctial hours; the proportion borne by the gnomon to the shadow at the summer solstice, is as 120 to 42, minus one-fifth. These places are distantTo the north. from the middle of Rhodes about 4900 stadia, and 30,300 from the equator. Sailing into the Euxine and advancing 1400 stadia to the north, the longest day is found to consist of fifteen and a half equinoctial hours. These places are equi-distant between the pole and equatorial circle; the arctic circle is at their zenith, the star in the neck of Cassiopeia is within this circle, the star forming the right elbow of Perseus being a little more to the north.
