Date: Fri, 02 Feb 2007 17:30:18 -0500 From: Robert Fitzpatrick <lists@webtent.net> To: FreeBSD <freebsd-questions@freebsd.org> Subject: Re: Determining daylight savings changes on BSD Message-ID: <1170455418.16189.42.camel@columbus.webtent.org> In-Reply-To: <20070202163637.GC44511@dan.emsphone.com> References: <1170430862.16189.8.camel@columbus.webtent.org> <20070202163637.GC44511@dan.emsphone.com>
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On Fri, 2007-02-02 at 10:36 -0600, Dan Nelson wrote: > In the last episode (Feb 02), Robert Fitzpatrick said: > > I use the following command on our CentOS Linux servers to find out > > if the system is ready for the daylight savings changes coming up, > > but it does not seem to work the same on our FreeBSD 5.4 and 6.1 > > servers. How can I do this? I see the zdump command and the man page > > seems to suggest the same usage, but... > > > > esmtp# zdump -v US/Eastern | grep 2007 > > esmtp# zdump -v US/Eastern > > US/Eastern Fri Dec 13 20:45:52 1901 UTC = Fri Dec 13 20:45:52 1901 UTC isdst=0 gmtoff=0 > > US/Eastern Sat Dec 14 20:45:52 1901 UTC = Sat Dec 14 20:45:52 1901 UTC isdst=0 gmtoff=0 > > US/Eastern Mon Jan 18 03:14:07 2038 UTC = Mon Jan 18 03:14:07 2038 UTC isdst=0 gmtoff=0 > > US/Eastern Tue Jan 19 03:14:07 2038 UTC = Tue Jan 19 03:14:07 2038 UTC isdst=0 gmtoff=0 > > That means you need to update your zoneinfo tables. You can also use > the date command to see if you need updating: > > date -r 1173679260 > Yes, thanks, looks like I need to do that, how do I update my zoneinfo tables? esmtp# zdump -v EST5EDT | grep '200[67]' EST5EDT Sun Apr 2 06:59:59 2006 UTC = Sun Apr 2 01:59:59 2006 EST isdst=0 gmtoff=-18000 EST5EDT Sun Apr 2 07:00:00 2006 UTC = Sun Apr 2 03:00:00 2006 EDT isdst=1 gmtoff=-14400 EST5EDT Sun Oct 29 05:59:59 2006 UTC = Sun Oct 29 01:59:59 2006 EDT isdst=1 gmtoff=-14400 EST5EDT Sun Oct 29 06:00:00 2006 UTC = Sun Oct 29 01:00:00 2006 EST isdst=0 gmtoff=-18000 EST5EDT Sun Apr 1 06:59:59 2007 UTC = Sun Apr 1 01:59:59 2007 EST isdst=0 gmtoff=-18000 EST5EDT Sun Apr 1 07:00:00 2007 UTC = Sun Apr 1 03:00:00 2007 EDT isdst=1 gmtoff=-14400 EST5EDT Sun Oct 28 05:59:59 2007 UTC = Sun Oct 28 01:59:59 2007 EDT isdst=1 gmtoff=-14400 EST5EDT Sun Oct 28 06:00:00 2007 UTC = Sun Oct 28 01:00:00 2007 EST isdst=0 gmtoff=-18000 -- Robert
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