chronologer

noun

1. A chronologist.

   “The most exact chronologers tell us that Christ was born in October, and not in December.”

   “My whole contention is, in face, that we know enough, by this time, from Egyptian and other non-Hellenistic sources, to be able to assert that neigher Eusebius, nor Trogus, nor any other Hellenistic or Graeco-Roman chronologer knew anything of value about such matters as the foundation of Trapezus […]”