Intuitively, I would think that the equinoxes would be in mid-autumn & mid-spring, solstices in mid-summer & mid-winter. We lag by 6 weeks.
I’ve always thought of the seasons as cardinal points on our orbit. Since autumn begins with equinox, etc, maybe seasons are more ordinal.
@Philips On 40PFL4908 TV, would be nice if remote vol +/- changed “headphone” (ext speaker) volume. Using headphone vol menu is awkward.