[stefanfis]

Yes, I see the reasoning, but it really is a tiny fraction of mankind dealing with this issues. And, as you said, there’s tech for that. One design flaw of your solution is the complicated math to go from classic time to GPTS. Time zones may be annoying, but in most cases, we just have to add full hours. New York is six hours behind the time of central Europe. That is easy math. Another aspect, perhaps I missed it: How does GPTS handle daylight savings, especially when some regions switch on different days? The conversion from GPTS to classic time and vice versa has always to be dependent on the current location. And finally, what about frequent travelers? Any time zone they visit will have vastly different opening times of shops or bars. They’d be forced to do the math everytime.