Earlier quoted context omitted.
Where I live June sunrise (with DST) is 5:11am and sunset is 8:21pm (a city on the American east coast). I just can’t imagine a majority of people would want 4:11 rising and 7:21 setting.
Clock is a social contract. China has just one time zone and it seems to work fine.
I wouldn't want to have to learn a different schedule such as getting up at midnight, having lunch at 04:00 then going to bed at 15:00. That would also make jet lag much worse because you wouldn't be able to rely on your watch to know what activity you're supposed to be doing at the time.