Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ls9YA-0000Sl-0F for pgsql-docs@arkaria.postgresql.org; Sat, 12 Jun 2021 19:44:10 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1ls9Y8-0007DU-1v for pgsql-docs@arkaria.postgresql.org; Sat, 12 Jun 2021 19:44:08 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ls9Y7-0007DM-SI for pgsql-docs@lists.postgresql.org; Sat, 12 Jun 2021 19:44:07 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ls9Y5-0006vo-H1 for pgsql-docs@lists.postgresql.org; Sat, 12 Jun 2021 19:44:06 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 15CJi4T12442833; Sat, 12 Jun 2021 15:44:04 -0400 From: Tom Lane To: nat@makarevitch.org cc: pgsql-docs@lists.postgresql.org Subject: Re: TIMEZONE names In-reply-to: <162351129153.14472.70810183330436056@wrigleys.postgresql.org> References: <162351129153.14472.70810183330436056@wrigleys.postgresql.org> Comments: In-reply-to PG Doc comments form message dated "Sat, 12 Jun 2021 15:21:31 -0000" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2442831.1623527044.1@sss.pgh.pa.us> Content-Transfer-Encoding: quoted-printable Date: Sat, 12 Jun 2021 15:44:04 -0400 Message-ID: <2442832.1623527044@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk PG Doc comments form writes: > The documentation states that some timezone names are recognized. As fa= r as > I understand others aren't. There is more detail about that at https://www.postgresql.org/docs/current/datatype-datetime.html#DATATYPE-TI= MEZONES Note in particular that time zone abbreviations are not considered valid values for the TimeZone setting. However, once you add a numeric offset, the string becomes a valid POSIX-style setting. regards, tom lane