[ars]

How would that help? It would just make things worse.

Now instead of knowing your local business is likely to be open from 9 to 5, you have to look up the conversion factor for wherever you are.

Unless you also propose people go to sleep at the same time throughout the whole world.

[Qantourisc]

Well you need to know what timezone you are in and change all your clocks anyway ... And nothing prevents you from changing your clock to the old local-time-zone.