Thanks for you answer.
It s sufficient but I d like to know why my system think I am CEST and yours think your are EDT.
Can I change it ?
Do you know where can I find a list of the timezone ?

> Message du 21/10/10 15:07
> De : "David Winsemius"
> A : "omerle"
> Copie à : r-help@r-project.org
> Objet : Re: [R] Different time between date() and Sys.date()
>
>
>
> On Oct 21, 2010, at 6:19 AM, omerle wrote:
>
> > Hi,
> >
> > I got two different times between these functions :
> >> date()
> > [1] "Thu Oct 21 12:11:37 2010"
> >> Sys.time()
> > [1] "2010-10-21 10:11:40 GMT"
> >>
> >
> > I know that its because I did Sys.setenv(TZ="GMT"). Even if my
> > system is set by default at CEST.
> > I think that the difference between date() and Sys.time() is equal
> > to the difference between CEST and GMT.
> > I would like to get the time of my machine even if I set GMT as a
> > time zone with the Sys.time() function.
> > How can I get the real time from the Sys.time() function ?
> > Or I can really set my time zone to GMT to get the real time with
> > Sys.time() ?
>
> > Sys.time()
> [1] "2010-10-21 09:04:40 EDT"
> > as.POSIXlt(Sys.time(), tz="GMT")
> [1] "2010-10-21 13:06:40 GMT"
>
> >
> > Thanks,
> >
> > Olivier Merle
> >
> > Une messagerie gratuite, garantie à vie et des services en plus, ça
> > vous tente ?
> > Je crée ma boîte mail www.laposte.net
> >
> > [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help@r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>
> David Winsemius, MD
> West Hartford, CT
>
>
> 

Une messagerie gratuite, garantie à vie et des services en plus, ça vous tente ?
Je crée ma boîte mail www.laposte.net

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