As for when my "new" season started, I conventionally identify the end of the previous season after my home hill closes for the "Summer" skiing at the beginning of June, then I have a long enough hiatus from skiing (usually June and July but can exend till end of Agust). After that, any day on a Glacier or else, spent skiing, is "new season"...This season, 2019-2020, for me began on August 31st...