Re: [9fans] Daylight savings time

[Pietro Gagliardi <pietro10@mac.com>]

Thanks to both of you. I've been setting up virtual machines so many  
times that I forget these subtle things.

On Mar 22, 2008, at 2:06 PM, erik quanstrom wrote:

>> Hello. How do you configure Plan 9 to support DST? I noticed that my
>> clock is wrong just now. Thanks.
>
> dst is supported as long as your timezone is set correctly.
> 	echo $timezone|sed 1q
> should give you the skinny on yout timezone.  the format is
> 	stdcode stdoffsetsec dstcode dstoffsetsec
> for example, for athens. ga or any other place on the us east
> cost, it should be
> 	EST -18000 EST EDT -14400
> which says that during standard time, the offset from GMT is
> -18000 seconds, or -5 hrs.  the offset during daylight savings time
> is -4 hrs.  the rest of the file is pairs of offsets bracketing the
> start and end of dst periods.  thus the only constraint on dst
> periods is the offset from gmt can't change from period to period.
>
> if your timezone is not correct, make sure the timezone files are
> synced with sources and
> 	cp /adm/timezone/«yourtimezone» /adm/timezone/local
> 	ifs=() timezone=`{cat /adm/timezone/local}
>
> - erik
>
>