PST8PDT is the valid timezone in my machine and I have verified it.
I am followed your suggestion. there is no difference in the output.
*> Sys.setenv(TZ="America/Los_Angeles");*
*> Sys.getenv("TZ");*
* TZ *
*"America/Los_Angeles" *
*> as.POSIXlt(Sys.Date());*
*[1] "2014-10-22 UTC"*
*> as.POSIXct(Sys.Date());*
*[1] "2014-10-21 17:00:00 PDT"*
*> as.POSIXct(Sys.time());*
*[1] "2014-10-22 23:53:39 PDT"*
*> as.POSIXlt(Sys.time());*
*[1] "2014-10-22 23:53:43 PDT"*
[root@srv1 ~]# ls /usr/share/zoneinfo
Africa Asia Canada Cuba EST Factory GMT0
Hongkong Iran Japan Mexico Navajo Poland PRC
ROK Universal W-SU
*America* Atlantic CET EET EST5EDT GB GMT-0 HST
iso3166.tab Kwajalein Mideast NZ Portugal *PST8PDT*
Singapore US zone.tab
Antarctica Australia Chile Egypt Etc GB-Eire GMT+0 Iceland
Israel Libya MST NZ-CHAT posix right Turkey
UTC Zulu
Arctic Brazil CST6CDT Eire Europe GMT Greenwich Indian
Jamaica MET MST7MDT Pacific posixrules ROC UCT
WET
[root@srv1 ~]#
Thanks
Vasanth
On Thu, Oct 23, 2014 at 9:45 AM, David Winsemius <dwinsem...@comcast.net>
wrote:
>
> On Oct 22, 2014, at 7:46 PM, Jeff Newmiller wrote:
>
> > Because PST8PDT probably is not a valid TZ on your operating system. Try
> "America/LosAngeles"
>
> For me (on a Mac) it has an intervening dash:
>
> > Sys.timezone(location = TRUE)
> [1] "America/Los_Angeles"
>
> However, on a mac the system returns a differnt results:
>
> > Sys.getenv("TZ")
> [1] ""
>
> --
> David.
>
> >
> ---------------------------------------------------------------------------
> > Jeff Newmiller The ..... ..... Go
> Live...
> > DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live
> Go...
> > Live: OO#.. Dead: OO#.. Playing
> > Research Engineer (Solar/Batteries O.O#. #.O#. with
> > /Software/Embedded Controllers) .OO#. .OO#.
> rocks...1k
> >
> ---------------------------------------------------------------------------
> > 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.
> >
> > ______________________________________________
> > 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
> Alameda, CA, USA
>
>
[[alternative HTML version deleted]]
______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
