While 1200 might be noon for one, another might just get used to 0800 to be noon.
Aside from the fact that that’s just timezones with extra steps?
Who says 0000 must be midnight and 1200 noon?
Thousands of generations of human history/prehistory? We are used to being awake during the day because we use vision so much for everything we do, so we sleep when it’s dark.
Why calculate?
While 1200 might be noon for one, another might just get used to 0800 to be noon. Who says 0000 must be midnight and 1200 noon?
You just recreated time zones
Aside from the fact that that’s just timezones with extra steps?
Thousands of generations of human history/prehistory? We are used to being awake during the day because we use vision so much for everything we do, so we sleep when it’s dark.
If I am set to arrive in Bejing at 18:00 UTC that gives me 0 useful information without calculation.
Knowing that I will arrive at 2am local time is much more useful, it tells me it’ll be dark and most shops won’t be open.