I took the part a lot of this reply was about out because it was probably wrong.
Regardless, there's no purity to be had here. No matter what, time zones themselves are a compromise for the sake of practicality -- there's no inherent virtue in "the sun is at precisely peak at 12pm +/- a geographic offset."
Regardless, there's no purity to be had here. No matter what, time zones themselves are a compromise for the sake of practicality -- there's no inherent virtue in "the sun is at precisely peak at 12pm +/- a geographic offset."