Because PST8PDT probably is not a valid TZ on your operating system. Try
"America/LosAngeles"
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Sent from my phone. Please excuse my brevity.
On October 22, 2014 2:35:55 AM PDT, Vasantha Kumar Kesavan
<info.vas...@gmail.com> wrote:
>Hi,
>
>I am a new R user and also not sure about the below concern is really a
>bug,
>
>My concern are listed below,
>
>Look at the below example, when Sys.Date () is called within the
>as.POSIXlt
>() function. Why it is displaying only the date value and the timezone
>is
>selected to UTC even though the TZ variable is set to "PST8PDT". I
>could
>not see this kind of behavior with as.POSIXct () function.
>
>This is happening in both LINUX 32 and 64 bit operating system.
>
>
>Example:
>
>> version
> _
>platform i386-redhat-linux-gnu
>arch i386
>os linux-gnu
>system i386, linux-gnu
>status
>major 2
>minor 10.0
>year 2009
>month 10
>day 26
>svn rev 50208
>language R
>version.string R version 2.10.0 (2009-10-26)
>> Sys.setenv(TZ="PST8PDT");
>> Sys.setenv(ORA_SDTZ="PST8PDT");
>>
>> Sys.getenv("TZ");
> TZ
>"PST8PDT"
>> Sys.getenv("ORA_SDTZ");
> ORA_SDTZ
>"PST8PDT"
>>
>> as.POSIXct(Sys.Date());
>[1] "2014-10-20 17:00:00 PDT"
>> c(as.POSIXct(Sys.Date()));
>[1] "2014-10-20 17:00:00 PDT"
>>
>> as.POSIXlt(Sys.Date());
>[1] "2014-10-21 UTC"
>> c(as.POSIXlt(Sys.Date()));
>[1] "2014-10-20 17:00:00 PDT"
>>
>> as.POSIXct(Sys.time());
>[1] "2014-10-21 20:59:23 PDT"
>> c(as.POSIXct(Sys.time()));
>[1] "2014-10-21 20:59:23 PDT"
>>
>> as.POSIXlt(Sys.time());
>[1] "2014-10-21 20:59:23 PDT"
>> c(as.POSIXlt(Sys.time()));
>[1] "2014-10-21 20:59:23 PDT"
>>
>
>Thanks
>Vasanth
>
> [[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.
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