Received: from malur.postgresql.org ([217.196.149.56])
	by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256)
	(Exim 4.89)
	(envelope-from <pgsql-hackers-owner+archive@lists.postgresql.org>)
	id 1hYCB7-00013f-I0
	for pgsql-hackers@arkaria.postgresql.org; Tue, 04 Jun 2019 16:20:49 +0000
Received: from localhost ([127.0.0.1] helo=malur.postgresql.org)
	by malur.postgresql.org with esmtp (Exim 4.89)
	(envelope-from <pgsql-hackers-owner+archive@lists.postgresql.org>)
	id 1hYCB6-0007iF-De
	for pgsql-hackers@arkaria.postgresql.org; Tue, 04 Jun 2019 16:20:48 +0000
Received: from makus.postgresql.org ([2001:4800:3e1:1::229])
	by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256)
	(Exim 4.89)
	(envelope-from <andrew@tao11.riddles.org.uk>)
	id 1hYCB6-0007hm-0b
	for pgsql-hackers@lists.postgresql.org; Tue, 04 Jun 2019 16:20:48 +0000
Received: from lungold.riddles.org.uk ([82.68.208.19])
	by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256)
	(Exim 4.89)
	(envelope-from <andrew@tao11.riddles.org.uk>)
	id 1hYCB3-0004BO-NN
	for pgsql-hackers@postgresql.org; Tue, 04 Jun 2019 16:20:46 +0000
Received: from [192.168.127.1] (port=40207 helo=caithnard.riddles.org.uk)
	by lungold.riddles.org.uk with esmtps
 (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256)
	(Exim 4.88 (FreeBSD))
	(envelope-from <andrew@tao11.riddles.org.uk>)
	id 1hYCB0-0005Nq-Qr; Tue, 04 Jun 2019 16:20:42 +0000
Received: from [127.0.0.1] (port=32043 helo=caithnard.riddles.org.uk)
	by caithnard.riddles.org.uk with esmtp (Exim 4.89 (FreeBSD))
	(envelope-from <andrew@tao11.riddles.org.uk>)
	id 1hYCB0-000231-5u; Tue, 04 Jun 2019 16:20:42 +0000
From: Andrew Gierth <andrew@tao11.riddles.org.uk>
To: Christoph Berg <myon@debian.org>
Cc: Tom Lane <tgl@sss.pgh.pa.us>,
  PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Subject: Re: UCT (Re: pgsql: Update time zone data files to tzdata release
 2019a.)
In-Reply-To: <20190604085735.GD24018@msg.df7cb.de> (Christoph Berg's message
	of "Tue, 4 Jun 2019 10:57:35 +0200")
Message-ID: <87ftop8gtr.fsf@news-spur.riddles.org.uk>
References: <E1hK8qL-0005yH-VX@gemulon.postgresql.org>
	<20190604085735.GD24018@msg.df7cb.de>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (berkeley-unix)
Date: Tue, 04 Jun 2019 17:20:42 +0100
MIME-Version: 1.0
Content-Type: text/plain
List-Id: <pgsql-hackers.lists.postgresql.org>
List-Help: <https://lists.postgresql.org/manage/>
List-Subscribe: <https://lists.postgresql.org/manage/>
List-Post: <mailto:pgsql-hackers@lists.postgresql.org>
List-Owner: <mailto:pgsql-hackers-owner@lists.postgresql.org>
List-Archive: <https://www.postgresql.org/list/pgsql-hackers>
Precedence: bulk

>>>>> "Christoph" == Christoph Berg <myon@debian.org> writes:

 Christoph> There is something wrong here. On Debian Buster/unstable,
 Christoph> using system tzdata (2019a-1), if /etc/timezone is
 Christoph> "Etc/UTC":

 Christoph> 11.3's initdb adds timezone = 'UCT' to postgresql.conf
 Christoph> 12beta1's initdb add timezone = 'Etc/UCT' to postgresql.conf

fwiw on FreeBSD with no /etc/localtime and no TZ in the environment (and
hence running on UTC), I get "UCT" on both 11.3 and HEAD.

-- 
Andrew (irc:RhodiumToad)