Should timezone be inherited from template database?

From: "Anton A(dot) Melnikov" <a(dot)melnikov(at)postgrespro(dot)ru>
To: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Should timezone be inherited from template database?
Date: 2023-11-26 14:47:49
Message-ID: e92a3992-4ed7-48c4-8262-81bdf8b957de@postgrespro.ru
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Hello!

Found that if i set a specific time zone for a template database,
it will not be inherited in the database created from that template.

psql (17devel)
Type "help" for help.

postgres=# select now();
now
-------------------------------
2023-11-26 17:24:58.242086+03
(1 row)

postgres=# ALTER DATABASE template1 SET TimeZone = 'UTC';
ALTER DATABASE
postgres=# \c template1
You are now connected to database "template1" as user "postgres".
template1=# select now();
now
-------------------------------
2023-11-26 14:26:09.291082+00
(1 row)

template1=# CREATE DATABASE test;
CREATE DATABASE
template1=# \c test
You are now connected to database "test" as user "postgres".
test=# select now();
now
-------------------------------
2023-11-26 17:29:05.487984+03
(1 row)

Could you clarify please. Is this normal, predictable behavior?

Would be very grateful!

--
Anton A. Melnikov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company

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