Almost adopted, or almost back to it. I remember reading in Toynbee that the solar calendar was an effect of the hard transition from a matriarchal society to a

Almost adopted, or almost back to it. I remember reading in Toynbee that the solar calendar was an effect of the hard transition from a matriarchal society to a patriarchal one. I also remember reading Works and Days and how the Boreas impregnated the mares. So yes, sure it was a hard revolution, I think the most important one. 13 was the unlucky number, the Satan number and so on. But 28 days is easy and convenient, and even in the High Middle Ages --- as I said yesterday --- people count months as 28 days.