Panofsky's freely-given opinion to Ann Nill was that the Voynich manuscript was not continental European but Spanish, Kabbalistic and Mozarabic Jewish. He initially placed it to the thirteenth century, but not having access to some mss now available he could not explain the form for the 'nymphs' so early. More recent information, including
discription description of the pigments by McCrone and discovery (by the present writer) of motifs which link the Vms to the portolan-chart tradition, make the fourteenth century and Jewish context more likely for a recension prior to ours.
So the 'ladies' in the calendar section could be named by the 72 divine/angelic names used in Kabbalah.
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There's a web-page referring to Kircher's table of 72 angelic divine names from his
Oedipus Aegyptiacus.
and
a quotation from the Bahir - par.10 - where it says of the 72 Names: "... These are the 72 names. They emanate and divide themselves into three sections, 24 to each section. Each sections has four directions to watch, east, west, north and south. They are therefore distributed, six to each direction. ..."
and
comparative table of the 72 names as rendered by Bardon, Agrippa and Abulafia
and
that by Francis Barrett (1801)
plus
the system by which the names are generated in the original Hebrew
NB: - also much nonsense on the same the web-page.
http://guideangel.com/angels.htm