And all the twelve constellations are ‘hard’ (qashin), from the aspect of judgement, and because sustenance comes from them, the Masters of the Mishnah have said:cxiiBT Pesaḥim 118a ‘Difficult (qashin) is the sustenance of a person like the splitting of the Red Sea’ – which was split into twelve splittings.cxiiiPirqei d-Rabbi Eli’ezer Ch.41
And there are four ‘seasons’: two arms and two thighs, the twelve constellations, are the twelve parts that are in them, and corresponding to them, are the twelve months of the year,cxivPirqei d-Rabbi Eli’ezer Ch.5 and they are Vav-Vav ו־ו (=6)–6, – the mystery of the ’ibura∞leap-year (gestation) – and this is the thirteenth month, this is: Aleph א, and this is VAV ואו (=13) – a year of thirteen months.