I think Sekki, made easy by https://smallseasons.guide/ https://smallseasons.guide/, addresses this adequately. I am surprised at how closely the Japanese dates

I think Sekki, made easy by https://smallseasons.guide/ https://smallseasons.guide/, addresses this adequately. I am surprised at how closely the Japanese dates mirror actual transitions in Ireland. It's rarely off by more than a day or two, if at all. I hardly think about seasons anymore.