Olympic Dates

Intro page      |      How to Read the Tables      |      The Olympiad System      |       Sources      |      Analysis

These pages give access to conversion tables in Excel format, with copies in HTML format and in CSV format, useful for determining the Julian equivalent of years dated according to Olympiads during the Ptolemaic era. This system was used by Greek historians to provide a common frame of reference to reconcile historical dates given in many different local calendars. It is particularly important for interpreting the regnal years attributed to the Ptolemies by Porphyry, as transmitted through the works of Eusebius.

The conversion tables for the Olympiads are straightforward. The columns give the following information:

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