Thanks Jeff Newmiller, it is working now. I would like to know, the same kind of configuration can be done in Linux and Solaris platform.
Instead of R is mapping to operating system(/usr/share/. /usr/share/lib/) zoneinfo directory. Thanks Vasanth On Fri, Nov 7, 2014 at 1:18 AM, Jeff Newmiller <jdnew...@dcn.davis.ca.us> wrote: > R on Windows uses the Olsen timezone database, a copy of which is stored > with R in the Program Files directory (e.g. R/R-3.1.1/share/zoneinfo). You > could update the file yourself if you can find a corrected version, or > download an updated version of R. > --------------------------------------------------------------------------- > 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 November 6, 2014 1:16:06 PM EST, Vasantha Kumar Kesavan < > info.vas...@gmail.com> wrote: > >Hi, > > > >I am working R on windows 2012 R2 platform, I have updated the latest > >hotfixes for time zone information(Microsoft KB 2981580. > ><http://support.microsoft.com/kb/2981580>). > > > >But still R is not populating correct date time values(Standard and > >Daylight saving). > > > >Could you please advise me, how to enable R to pick up the latest time > >zone > >information/configurations. > > > >Example: > > > >R --vanilla > >Sys.setenv(TZ = "America/Eirunepe"); > >dt<-c(seq(as.POSIXct("2013-11-09 20:00:00",tz="America/Eirunepe"), > >as.POSIXct("2013-11-10 10:00:00" ,tz="America/Eirunepe"), by="hour")); > >> dt > > [1] "2013-11-09 20:00:00 AMT" "2013-11-09 21:00:00 AMT" > > [3] "2013-11-09 22:00:00 AMT" "2013-11-09 23:00:00 AMT" > > [5] "2013-11-10 00:00:00 AMT" "2013-11-10 01:00:00 AMT" > > [7] "2013-11-10 02:00:00 AMT" "2013-11-10 03:00:00 AMT" > > [9] "2013-11-10 04:00:00 AMT" "2013-11-10 05:00:00 AMT" > >[11] "2013-11-10 06:00:00 AMT" "2013-11-10 07:00:00 AMT" > >[13] "2013-11-10 08:00:00 AMT" "2013-11-10 09:00:00 AMT" > >[15] "2013-11-10 10:00:00 AMT" > > > >For the “*America/Eirunepe*” time zone, the DST ended on Sun > >10-Nov-2013 at > >12:00:00 A.M. when local clocks were set backward 1 hour. > > > > > >as per the latest timezone configuration, the date time sequence should > >have "2013-11-09 23:00:00" twice. > > > > > >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. > > [[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.