If the Sun is at the highest point in the sky at the noon, and the shadows point to the north wouldn't it be logical to abandon daylight savings? If the proble

If the Sun is at the highest point in the sky at the noon, and the shadows point to the north wouldn't it be logical to abandon daylight savings? If the problem is that kids go to school too early or that workers go to work while it is dark, wouldn't it be possible to start school and work one hour later? What effect will this have on international trades (stock markets) and synchronization with transoceanic flights?