All of this is extremely dependent on latitude so if you actually wanted a system that accounted for it it would have to be a lot more complicated than wide ver

All of this is extremely dependent on latitude so if you actually wanted a system that accounted for it it would have to be a lot more complicated than wide vertical bands that go from basically the tropic to the pole. Where I live these things vary by a lot more than an hour, so DST has a meaningful effect on any of these supposed benefits for about, if I'm being generous, 2-3 weeks a year. It's silly.