I never understood the appeal. If you want to do things earlier or later in the day, do it. What's it for to do with the clocks? My school used to have differen

I never understood the appeal. If you want to do things earlier or later in the day, do it. What's it for to do with the clocks? My school used to have different summer and winter timings. No need to decide a horribly convoluted system of changing clocks every year.