One of the comments reads : Actually, we will probably never figure out, was it man or woman. but I thought this comment of the professor was an interesting eye opener. https://mastodonapp.uk/@MarkHoltom/112070436760917344
Yeah, I don't get it either. Weren't most, if not all, ancient calendars lunar based? Far easier to work out a 28 day cycle than a 365.25 day cycle.