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Date:      Fri, 2 Feb 2007 10:36:37 -0600
From:      Dan Nelson <dnelson@allantgroup.com>
To:        Robert Fitzpatrick <lists@webtent.net>
Cc:        FreeBSD <freebsd-questions@freebsd.org>
Subject:   Re: Determining daylight savings changes on BSD
Message-ID:  <20070202163637.GC44511@dan.emsphone.com>
In-Reply-To: <1170430862.16189.8.camel@columbus.webtent.org>
References:  <1170430862.16189.8.camel@columbus.webtent.org>

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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

If that prints "Mon Mar 12 02:01:00 EST 2007" you know you need to
update.

-- 
	Dan Nelson
	dnelson@allantgroup.com



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