Teucer of Babylon (also spelled Teukros and Tinkalūŝā[1]) was an ancient Egyptian astrologer of uncertain date, though possibly of the first century AD.[2] He is used as a source by Vettius Valens.
The 'Babylon' in his name is the Babylon Fortress near Cairo, not the ancient city in Mesopotamia.
His name Teucer seems to be a pseudonym in view of the archer in the Iliad hinting to his ‚stochastic‘ art. The origin „from Babylon“ means the Egyptian district Babylon, today Fostat (Fustat), Cairo. date: he lived between the end of the second century B.C. and the middle of the first century B.C.
After the city's founding in 641, its authority was uninterrupted until 750, when the Abbasid dynasty staged a revolt against the Umayyads. This conflict was focused not in Egypt, but elsewhere in the Arab world. When the Abbasids gained power, they moved various capitals to more controllable areas.