Eleven Moon Phases in Folio 86v?

[Dobri]

The lunar roundel/mandala in the cipher manuscript could possibly be a medieval form of a nomadic (or peasant) lunar-stellar calendar which somehow uses the 11-day gap of Moon-Pleiades conjunctions. Basically, the conjunction moves through the lunar month, with a difference of around 2.2 days per month, making the conjunction cycle move around 5 x 2.2 = 11 days over a five-month period. Often the moon meets the Pleiades roughly around the 1st, 11th, and 21st days of the lunar month at different seasons. 

An example is the You are not allowed to view links. Register or Login to view..