Cron and Summer/winter time
Joel Jaeggli
joelja at darkwing.uoregon.edu
Wed Apr 26 23:31:55 UTC 2006
On Wed, 26 Apr 2006, Chris Ruprecht wrote:
> Guys,
>
> I'm sure there is a solution for this:
> When I schedule a daily job to run at 1:30 AM and we switch from Winter to
> Summer time, the job doesn't run, because when the clock reaches 1 AM it's
> suddenly 2 AM and 1:30 AM never happens.
>
> The same job would run twice, when we switch back because when it's 2 AM, it
> has already run 30 minutes before, but then it's suddenly 1 AM again and
> it'll run again in 30 minutes.
>
> For simple clean-up jobs, this might be acceptable, but when running more
> complex jobs that need to run once and only once per day, this isn't going to
> work too well.
>
> Any ideas?
Use UTC on all your servers, set local time zone inside your shell
(assuming you care). Daylight saving is really a convention for people not
machines anyway.
> Chris
>
>
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Joel Jaeggli Unix Consulting joelja at darkwing.uoregon.edu
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