[jmgao]

> both The USA and Canada have been toying with the idea of dropping daylight savings time

Individual states are toying with the idea as well [1], which presents a problem if one of the tzdata locations decides to change its rules. You're screwed no matter what you choose to do. :-(

1: https://www.syracuse.com/state/2020/11/state-senator-introdu...

[Izkata]

It gets worse: DST in Indiana has to be handled on a per-county basis for anything prior to 2006.

https://en.m.wikipedia.org/wiki/Time_in_Indiana

[spiralx]

It gets worse: from when I had to deal with this some years back IIRC in Saudi Arabia the start and end of DST is set by decree every year.

[siculars]

They already do. See Arizona.

[1-more]

…and then see Navajo reservation in there, and then see the Hopi reservation inside of that!