Date: Sun, 13 Oct 2002 19:03:16 -0300 From: "Vitor de Matos Carvalho" <vitor@softinfo.com.br> To: "Peter Jeremy" <peter.jeremy@alcatel.com.au> Cc: "FreeBSD-Stable" <freebsd-stable@FreeBSD.ORG> Subject: Re: Time Zone Message-ID: <00a301c27304$551ad340$020aa8c0@acaraje> References: <000f01c272a4$55c12700$020aa8c0@acaraje> <20021013215429.GB315@gsmx07.alcatel.com.au>
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Hi Peter :)) These last two lines below: Rule Brazil 2000 max - Oct Sun>=8 0:00 1:00 S Rule Brazil 2001 max - Feb Sun>=15 0:00 0 - Does not indicate the beginning of the summer time in the sunday >= 8 of October of 2000 and with the end programmed for the sunday >= 15 of February of 2001? Regards, Vitor de Matos Carvalho System Network Administrator - Softinfo Network FreeBSD - The Power To Serve ----- Original Message ----- From: "Peter Jeremy" <peter.jeremy@alcatel.com.au> To: "Vitor de Matos Carvalho" <vitor@softinfo.com.br> Cc: "FreeBSD-Stable" <freebsd-stable@FreeBSD.ORG> Sent: Sunday, October 13, 2002 6:54 PM Subject: Re: Time Zone > On 2002-Oct-13 07:36:05 -0300, Vitor de Matos Carvalho <vitor@softinfo.com.br> wrote: > >I noticed that to the 0:00 of day 13 of October FreeBSD it changed the zone > >of my clock for the summer schedule. It moved of BRT for BRST. > >However the schedule of summer in the Brazil still did not start here. > > Daylight savings transitions are controlled by /etc/localtime which > is either a copy of, or a link to, one of the files in /usr/share/zoneinfo > This is a binary file containing a converted form of data from (in your > case) /usr/src/share/zoneinfo/southamerica. The latter file includes > the following: > > # Decree <a href="http://pcdsh01.on.br/DEC3592.htm">3,592</a>; (2000-09-06) > # adopted by the same states as before. > # Decree <a href="http://pcdsh01.on.br/Dec3630.jpg">3,630</a>; (2000-10-13) > # repeals DST in PE and RR, effective 2000-10-15 00:00. > # Decree <a href="http://pcdsh01.on.br/Dec3632.jpg">3,632</a>; (2000-10-17) > # repeals DST in SE, AL, PB, RN, CE, PI and MA, effective 2000-10-22 00:00. > # Decree <a href="http://pcdsh01.on.br/figuras/HV3916.gif">3,916</a>; > # (2001-09-13) reestablishes DST in AL, CE, MA, PB, PE, PI, RN, SE. > # > # The latest decree listed above says that the following states observe DST: > # AL, BA, CE, DF, ES, GO, MA, MG, MS, MT, > # PB, PE, PI, PR, RJ, RN, RS, SC, SE, SP, TO. > # > # For dates after mid-2002, the following rules are guesses > # and are quite possibly wrong, but are more likely than no DST at all. > Rule Brazil 2000 max - Oct Sun>=8 0:00 1:00 S > Rule Brazil 2001 max - Feb Sun>=15 0:00 0 - > > Which indicates that DST starts on the first Sunday on or after 8th October. > See tzfile(5), zdump(8) and zic(8) for complete details. > > The top of the file states: > # This data is by no means authoritative; if you think you know better, > # go ahead and edit the file (and please send any changes to > # tz@elsie.nci.nih.gov for general use in the future). > (and you should raise a FreeBSD PR containing the same information). > > Peter > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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