On Tuesday, May 18, 2021, Bryn Llewellyn <bryn(at)yugabyte(dot)com> wrote:
> Some time zones have abbreviations that are identical to their names. This
> query:
>
> Am I missing an essential clue to resolving what seems to me to be a
> paradox? Or am I seeing two kinds of bug?
>
>
You are missing the material in appendix B.4
https://www.postgresql.org/docs/current/datetime-config-files.html
I think that covers dealing with the situations you note.
David J.