Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1w3Fv8-0013J1-06 for pgsql-hackers@arkaria.postgresql.org; Thu, 19 Mar 2026 16:08:26 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1w3Fv6-000y2Y-1X for pgsql-hackers@arkaria.postgresql.org; Thu, 19 Mar 2026 16:08:24 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1w3Fv6-000y2I-0g for pgsql-hackers@lists.postgresql.org; Thu, 19 Mar 2026 16:08:24 +0000 Received: from mail-yx1-xb12b.google.com ([2607:f8b0:4864:20::b12b]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.98.2) (envelope-from ) id 1w3Fv3-000000001vP-2dQ3 for pgsql-hackers@postgresql.org; Thu, 19 Mar 2026 16:08:24 +0000 Received: by mail-yx1-xb12b.google.com with SMTP id 956f58d0204a3-64e9d72d5f4so1027707d50.3 for ; Thu, 19 Mar 2026 09:08:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=joeconway.com; s=google; t=1773936500; x=1774541300; darn=postgresql.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=zH+x9V1JcGm+apFypE0sfrzJb2eD2bA2Oo2R3QwIWGU=; b=LaUpF7JcItnPyCNVwZvKQWWuzqSs4JrUTL7jd1vemxCd6poazQHvTkRuIvGZ3Abtn4 ffS0me8fgcK9rhojau2Ec1Ex9hSHV0nvh+D0PmKP0K4wLOf8KThEjuQla5ljQYMNcJbf +QQQUvDpHYZbN1G8OeTrZ9WH/iJAr1rZAdiGaZDvejTO2E7CKbtJZlmZMtmwePmOLXb6 Rm7JO8hnlV5Ji5gpBt4fC1FOheeeVi5XyGh2s/MKC2qI6DQ9Hvo5o0zXvH0twHmh8uhn wBpIfmLR/p4wlx3Ueo76plcpPjPH1yMacSjPfNhhqqi05+LBafD9x/hV4rGYU8/xAG4Z q5yw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1773936500; x=1774541300; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=zH+x9V1JcGm+apFypE0sfrzJb2eD2bA2Oo2R3QwIWGU=; b=erdFHkSbfa6AjieCVFD2i/mQ4HHlLTgQRzIKgcw/hlNFdahlV8r/Jr0rRvTpNU2BjT afvJS3MMo4ou+Ck3rzGoCxvRD5Ec7iAfThzGLtIcwqP7/vEmRTVO7FuMAXl2AcjaLbLv GFwkDScfHPte6hnJwdOd7zhfaSZjo9wDWU3GaZ26IsbMYRcGV55rBRXtWv/XR7yjtaEa IdKGnRv4TTjMP9DM5uaZHsd/DRoDnR0lkeJgouwvJktvg8ZACv7i8FPQaAmva7nN2ING qamyO9+OLCou5dif4z+VZxVcEEVhljkcl1kkTkuOx2clO/WXydwygTO62wMkh5pGyfWO t6yg== X-Forwarded-Encrypted: i=1; AJvYcCV9HbwknsDVqA0dTg2tCTpUTUMYxxL5RgJ7Ikb54OA2pOAEAvBZITIdFLl0RFbALCnjT7jn3erga90jLoEr@postgresql.org X-Gm-Message-State: AOJu0YzotEACNBDacyUARt2gjIvRVqz4K1J/V7qzeNy/O9OmXqx5gmPZ yk20QRmeyAIrhS12s/hZuy7oNMPCh/+Og58bQaqvro+PBd0xFVHImt1H17uP/BbsOSU= X-Gm-Gg: ATEYQzzY03CEH1m+4U9NjLRfofF/l0NnTfgtU0aq1qG7XZI+CWbUGCL2XAD+xZW3un8 7eB7P145V0Cops0+o36NK+lyAjWC0+oSX24/Cf6wuuSkVmsZwodETtoRKp10WNT8TgXUGLWeaey /KuKHXGkcKYrX81luN9prvhE0z45WwLy4o6H65/fhv6VK8LH8qMY+B8welWF/x/uIlitLBE6WZH /fMwyR6RgQ2O28W/LHoAmVaH7grJ/eggRD1dhyzN7xfQcU7DTBWZCOnRJcv10kFGQa2wLUs7Aml qOQ30iZFIjVmJknhp73tOSjL0dHlqkHrhgpqglX4loI5pvtuhPIpmsz79/bDWdxmsi8qjrdJsYt oxIdAJwA0kmX5OFG/2L4UqPgZvYrt2qNgOINMp+BvfQoPc3847+8Cc7Om+Dw/OfRz0wKm6oFo07 wMUvQuHcsw8i2K+S9i+x/Xjs6C X-Received: by 2002:a05:690c:e:b0:798:5333:ce1c with SMTP id 00721157ae682-79a718af029mr78820107b3.23.1773936500190; Thu, 19 Mar 2026 09:08:20 -0700 (PDT) Received: from [192.168.4.42] ([46.110.138.68]) by smtp.gmail.com with ESMTPSA id 00721157ae682-79a711657b8sm39460987b3.0.2026.03.19.09.08.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 19 Mar 2026 09:08:19 -0700 (PDT) Message-ID: <9373201a-27de-4026-8da1-392196144a55@joeconway.com> Date: Thu, 19 Mar 2026 12:08:18 -0400 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Feature freeze timezone change request To: Jacob Champion , Tom Lane Cc: Robert Haas , Jelte Fennema-Nio , PostgreSQL-development , rmt@lists.postgresql.org References: <1087265.1773880855@sss.pgh.pa.us> Content-Language: en-US From: Joe Conway In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On 3/19/26 11:37, Jacob Champion wrote: > On Wed, Mar 18, 2026 at 5:41 PM Tom Lane wrote: >> I think the UTC-12 business is left over from when we defined it as >> AoE, but we're not doing that anymore because it's too confusing. > > Yeah -- I swapped it recently because I noticed it was still labeled > AoE, and I didn't want anyone to have to rediscover last year's > thread. It wasn't really meant to be an endorsement for UTC-12. > >> What we've been using lately for release freezes is noon UTC, which >> personally I'd prefer on the grounds that it's not as confusing >> which day is meant. > > +1 for 12:00 UTC. +1 seems reasonable and not likely to be misunderstood -- Joe Conway PostgreSQL Contributors Team Amazon Web Services: https://aws.amazon.com