The alternative is that we have a DNS-style lookup of every city on earth which contains what each city has chosen for their daylight hours. You’d run into many more boundary-centric issues than with our columnar approach.
> The alternative is that we have a DNS-style lookup of every city on earth which contains what each city has chosen for their daylight hours.
We already have to do that: every business and government office (including schools) has their own hours (and holidays); even in the same city, people are not waking (or going to sleep) at a uniform time.
Time zones are a 19th century solution to a 19th century problem.
We already have to do that: every business and government office (including schools) has their own hours (and holidays); even in the same city, people are not waking (or going to sleep) at a uniform time.
Time zones are a 19th century solution to a 19th century problem.