On 4/10/24 1:31 PM, Tom Lane wrote:
> Adrian Klaver <adrian.klaver@aklaver.com> writes:
>> On 4/10/24 12:38, Adnan Dautovic wrote:
>>> By the way, the row count of pg_timezone_names is 385, but I do
>>> not know how that compares to a more standard installation.
>
>> On my instance of Postgres 16.2, 1196.
>
> You're probably using a build with --with-system-tzdata pointing
> at a system tzdata tree that includes leap-second-aware zones.
> These tend to have duplicative entries like "America/New_York"
> and "posix/America/New_York". (There's also a subtree like
> "right/America/New_York", but we reject those because we don't
> do leap seconds.) The real number of distinct zones in a
> standard tzdata file set these days is a shade under 600.
It's the PGDG package running on Ubuntu 22.04.
>
> regards, tom lane
--
Adrian Klaver
adrian.klaver@aklaver.com