From owner-freebsd-hackers@FreeBSD.ORG  Sun Nov  4 02:48:37 2007
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 452F616A418
	for <freebsd-hackers@freebsd.org>; Sun,  4 Nov 2007 02:48:37 +0000 (UTC)
	(envelope-from perryh@pluto.rain.com)
Received: from agora.rdrop.com (agora.rdrop.com [199.26.172.34])
	by mx1.freebsd.org (Postfix) with ESMTP id 2999B13C48D
	for <freebsd-hackers@freebsd.org>; Sun,  4 Nov 2007 02:48:37 +0000 (UTC)
	(envelope-from perryh@pluto.rain.com)
Received: from agora.rdrop.com (66@localhost [127.0.0.1])
	by agora.rdrop.com (8.13.1/8.12.7) with ESMTP id lA42c5mZ015029
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT);
	Sat, 3 Nov 2007 19:38:05 -0700 (PDT)
	(envelope-from perryh@pluto.rain.com)
Received: (from uucp@localhost)
	by agora.rdrop.com (8.13.1/8.12.9/Submit) with UUCP id lA42c52Y015028; 
	Sat, 3 Nov 2007 19:38:05 -0700 (PDT)
Received: from fbsd61 by pluto.rain.com (4.1/SMI-4.1-pluto-M2060407)
	id AA26107; Sat, 3 Nov 07 18:25:50 PST
Date: Sat, 03 Nov 2007 19:24:38 -0700
From: perryh@pluto.rain.com
To: bakul@bitblocks.com
Message-Id: <472d2d66.1gVdjI1MXgbri755%perryh@pluto.rain.com>
References: <20071104004116.45DD35B29@mail.bitblocks.com>
In-Reply-To: <20071104004116.45DD35B29@mail.bitblocks.com>
User-Agent: nail 11.25 7/29/05
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Cc: freebsd-hackers@freebsd.org
Subject: Re: timezone printing in date messed up?
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 04 Nov 2007 02:48:37 -0000

> $ sh <<'EOF'
> for a in 0 1 2 3 4 5 6 7 8 9 10 11 12 
> do
>   date -j -f %s `expr 1194163200 + 600 \* $a`
> done
> EOF
<snip buggy output>

> OS X Leopard has the same bug ...

How did you test it in Leopard?  I tried it in Tiger, intending to
contribute another data point, and I got:

  date: illegal option -- j
  usage: date [-nu] [-r seconds] [+format]
         date [[[[[cc]yy]mm]dd]hh]mm[.ss]

The Tiger manpage gives no obvious equivalent to FreeBSD's -j