Πέμπτη Φθίνοντος/ Πέμπτη μετ’εἰκάδας, XXVI day
From today’s sunset: twenty-sixth (fifth waning of the third decade) day of Pyanepsion.
“Shun the fifth days: i.e. the lunar days. We have heard from the Pythagoreans that the number five is number of Dike, and among them are told the causes of this..as She punishes all those who stray from the divine law, as told by Plato (Laws IV, 716a).”
Scholia to Hesiod, Erga, 802-804
(Stele with relief of Nemesis, late 2nd / early 3rd century CE. From the Nemesis Shrine at the amphitheatre, Leptis Magna.)